Reds vs. Cardinals
Prediction, Odds & Props
Jun 21 | MLB AI Picks
Updated: 2025-06-19T03:31:50.923562ZBy Remi at Leans.AI — AI picks for ATS, ML, OU & props
The Cincinnati Reds journey to Busch Stadium to face the St. Louis Cardinals on June 21, 2025, in what could be a pivotal midseason showdown for both teams. With contrasting recent form — Cincinnati’s rotation looking solid and St. Louis enjoying a home resurgence — the matchup promises to hinge on pitching depth and late-game bullpen execution.
Get key insights, betting trends, and AI-powered predictions to help incorporate into your betting strategies.

GAME INFO
Date: Jun 21, 2025
Start Time: 2:15 PM EST
Venue: Busch Stadium
Cardinals Record: (41-35)
Reds Record: (39-37)
OPENING ODDS
CIN Moneyline: +162
STL Moneyline: -195
CIN Spread: +1.5
STL Spread: -1.5
Over/Under: 9
CIN
Betting Trends
- The Reds are 30–27 against the run line this season and have gone 4–2 ATS on Saturdays, though their last ten away games sit at an even 5–5 ATS. These mixed results reflect solid consistency, especially from their starting staff.
STL
Betting Trends
- Slumping early, St. Louis has rebounded and won four straight games overall, recently cashing in ATS results at home in interleague play, though their season ATS figures remain slightly under .500 entering June 21.
MATCHUP TRENDS
- These clubs have hit the “under” in six of their last seven interleague games at Busch Stadium, and Cincinnati’s bullpen has recorded a shutout performance within the past week — suggesting this game may trend toward a low-scoring, tightly-contested result.
CIN vs. STL
Best Prop Bet
- Remi's searched hard and found the best prop for this matchup: J. Fraley over 0.5 Hits+Runs+RBI.
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Cincinnati vs St. Louis Prediction & Odds:
Free MLB Betting Insights for 6/21/25
The Cardinals’ offense, built around high-contact, low-strikeout hitters like Lars Nootbaar and Nolan Arenado, thrives in situational baseball and tends to wear down opposing pitchers with smart at-bats and well-timed pressure. Both teams enter with statistical patterns that support a low-scoring game—six of their last seven head-to-head matchups at Busch Stadium have hit the under, with neither side consistently cracking open big innings. The edge, then, may go to whichever club gets more from its supporting cast, particularly in terms of bullpen stability, defensive sharpness, and offensive execution with runners in scoring position. Cincinnati’s edge lies in its starting rotation and ability to suppress runs through control and pace, while the Cardinals’ recent surge and home-field comfort make them formidable if they can get an early lead and shorten the game with tactical bullpen use. With playoff implications beginning to loom and both clubs desperate to assert themselves in the National League Central hierarchy, this game figures to be a chess match of pitching and late-inning maneuvering rather than a power display. Expect strategy, bullpen matchups, and one or two pivotal at-bats to shape the outcome in a game that, by all indications, should remain close well into the final frame.
Final from Busch Stadium: pic.twitter.com/tj48Is4SB5
— Cincinnati Reds (@Reds) June 21, 2025
Cincinnati Reds MLB Preview
The Cincinnati Reds arrive at Busch Stadium for their June 21, 2025 clash with the St. Louis Cardinals hoping to ride the momentum of a strong starting rotation and the steady leadership of manager David Bell to secure a key divisional win on the road. The Reds have posted a respectable 30–27 record against the spread this season, and their 4–2 ATS mark on Saturdays indicates an ability to start weekends on the front foot. What’s carried them through the season thus far has been pitching, particularly from Andrew Abbott, who recently delivered a standout shutout performance that reaffirmed his role as a stabilizing force in the rotation. Cincinnati’s starters have consistently worked into the sixth and seventh innings, which has helped mitigate any late-game volatility from a bullpen that has seen ups and downs but also put together scoreless streaks over the last ten days. On the offensive end, the Reds have leaned on a combination of speed, youthful aggression, and situational hitting to generate runs. Elly De La Cruz has been a sparkplug both at the plate and on the basepaths, while Spencer Steer and Jonathan India have chipped in with key at-bats during tight games.
While not overly powerful, this lineup is capable of producing consistent contact and pressure when the game plan focuses on patience and execution rather than slugging. Cincinnati’s defense has also been a strength, particularly up the middle, and it plays a crucial role in complementing their pitching-centric approach. The infield has turned key double plays, and the outfield coverage has prevented extra bases in critical moments, giving their pitchers the confidence to challenge hitters. The Reds’ path to success lies in establishing tempo early through efficient innings and stringing together quality at-bats that wear down opposing starters. If they can grab an early lead, their bullpen has shown more structure lately, giving them a chance to close out games without relying on high-risk matchups. While playing on the road has been a mixed bag for Cincinnati, their 5–5 ATS record in their last ten away games reflects a club that competes hard in any environment, even if not always dominant. The key challenge will be maintaining offensive pressure against a Cardinals team that has improved its bullpen and defensive structure in recent weeks. To win or at least cover the run line, the Reds must be precise in situational baseball—advancing runners, minimizing strikeouts, and playing mistake-free defense. If Abbott or another starter can deliver six solid innings and De La Cruz or India can provide a timely hit, Cincinnati has the tools to control the pace and dictate the game. However, their margin for error is slim, and they’ll need to execute with discipline and sharpness across all nine innings to overcome a Cardinals squad that is heating up at home.

Credit: USA TODAY/IMAGN
St. Louis Cardinals MLB Preview
The St. Louis Cardinals enter their June 21, 2025 matchup against the Cincinnati Reds at Busch Stadium riding a four-game winning streak that has infused their clubhouse with renewed energy and optimism following a rocky start to the season. This recent surge has coincided with vastly improved pitching performances, including a six-inning shutout from Andre Pallante that served as a clear signal the Cardinals’ rotation may finally be rounding into form. Though their overall ATS record remains slightly below .500, St. Louis has shown marked improvement at home, particularly in divisional and interleague matchups, where their style of contact-driven, situational baseball thrives in the pitcher-friendly confines of Busch Stadium. Their resurgence has been anchored by a more stable bullpen, with late-inning relievers stepping up to protect leads more consistently, supported by clean defensive play that’s cut down on unearned runs and fielding miscues. On the offensive side, the Cardinals have embraced a fundamentally sound approach, opting for pressure through movement and patience rather than relying on big bats to win them games outright. Lars Nootbaar and Nolan Arenado have delivered clutch hits and long plate appearances, while Jordan Walker and Tommy Edman continue to provide versatility and spark from both sides of the plate.
Their ability to hit situationally—moving runners, laying down bunts, and stretching singles into doubles—has made them far more dangerous when facing power pitchers like Cincinnati’s Andrew Abbott. The Cardinals’ success has also come from their ability to dictate the pace of the game, particularly at home where they are more aggressive early in counts and more deliberate in bullpen usage. Defensively, St. Louis has tightened its alignment and communication, helping them convert critical outs and kill rallies before they build. This cohesion has translated into improved late-game execution, a weakness earlier in the year that now appears to be a budding strength. At the core of this resurgence is the team’s rediscovered identity—one that values discipline, execution, and low-risk baseball, especially in tight, low-scoring environments. Facing a Cincinnati team that mirrors some of these same strengths, the Cardinals will need to stay one step ahead by capitalizing on any small mistakes and maximizing scoring chances through sharp baserunning and deep counts. Their bullpen, once a point of concern, now gives manager Oliver Marmol flexibility to mix and match based on matchups, and recent results suggest a growing confidence in high-leverage situations. If the Cardinals can continue executing their game plan—staying clean defensively, controlling the tempo through starting pitching, and executing offensively with runners in scoring position—they stand an excellent chance not only to extend their win streak but also to cover the run line. With Busch Stadium’s atmosphere intensifying during their current streak, and a lineup that now blends patience with timely contact, St. Louis is poised to maintain its upward trajectory against a Reds team that will test their resolve inning by inning.
That's a Winner!! pic.twitter.com/by7NmPh1Qc
— St. Louis Cardinals (@Cardinals) June 21, 2025
Cincinnati vs. St. Louis Prop Picks (AI)
Cincinnati vs. St. Louis Prediction (AI)

Remi, our AI sports algorithm, has been pouring over millions of data from every angle between the Reds and Cardinals and using recursive machine learning and kick-ass AI to boil down the data to a single cover probability.
Interestingly enough, the data has been most fixated on the unproportionally assigned emphasis human bettors regularly put on Cincinnati’s strength factors between a Reds team going up against a possibly healthy Cardinals team. Trends look to say the true game analytics might reflect a slight lean against one Vegas line in particular.
Unlock this in-depth AI prediction and all of our MLB AI picks for FREE now.
Below is our current AI Cincinnati vs St. Louis picks, computer picks Reds vs Cardinals, best bets, model edges, confidence ratings.
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DATE | GAME | LEAN | %WIN | UNITS | LEVEL |
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Reds Betting Trends
The Reds are 30–27 against the run line this season and have gone 4–2 ATS on Saturdays, though their last ten away games sit at an even 5–5 ATS. These mixed results reflect solid consistency, especially from their starting staff.
Cardinals Betting Trends
Slumping early, St. Louis has rebounded and won four straight games overall, recently cashing in ATS results at home in interleague play, though their season ATS figures remain slightly under .500 entering June 21.
Reds vs. Cardinals Matchup Trends
These clubs have hit the “under” in six of their last seven interleague games at Busch Stadium, and Cincinnati’s bullpen has recorded a shutout performance within the past week — suggesting this game may trend toward a low-scoring, tightly-contested result.
Cincinnati vs. St. Louis Game Info
What time does Cincinnati vs St. Louis start on June 21, 2025?
Cincinnati vs St. Louis starts on June 21, 2025 at 2:15 PM EST.
Where is Cincinnati vs St. Louis being played?
Venue: Busch Stadium.
What are the opening odds for Cincinnati vs St. Louis?
Spread: St. Louis -1.5
Moneyline: Cincinnati +162, St. Louis -195
Over/Under: 9
What are the records for Cincinnati vs St. Louis?
Cincinnati: (39-37) | St. Louis: (41-35)
What is the AI best bet for Cincinnati vs St. Louis?
Remi's searched hard and found the best prop for this matchup: J. Fraley over 0.5 Hits+Runs+RBI.. Prices move—always shop for the best number.
What are Cincinnati vs St. Louis trending bets?
These clubs have hit the “under” in six of their last seven interleague games at Busch Stadium, and Cincinnati’s bullpen has recorded a shutout performance within the past week — suggesting this game may trend toward a low-scoring, tightly-contested result.
What are Cincinnati trending bets?
CIN trend: The Reds are 30–27 against the run line this season and have gone 4–2 ATS on Saturdays, though their last ten away games sit at an even 5–5 ATS. These mixed results reflect solid consistency, especially from their starting staff.
What are St. Louis trending bets?
STL trend: Slumping early, St. Louis has rebounded and won four straight games overall, recently cashing in ATS results at home in interleague play, though their season ATS figures remain slightly under .500 entering June 21.
Where can I find AI Picks for Cincinnati vs St. Louis?
See our latest MLB picks and odds pages for 2025 to compare prices before you bet.
Cincinnati vs. St. Louis Odds
AI algorithm Remi is pouring through mountains of data points on each line. In fact, anytime the Cincinnati vs St. Louis trends are analyzed, there’s always several intriguing observations to key in on. Not to mention games played at extreme temps seemingly never follow normal, predictable patterns.
Cincinnati vs St. Louis Opening Odds
CIN Moneyline:
+162 STL Moneyline: -195
CIN Spread: +1.5
STL Spread: -1.5
Over/Under: 9
Cincinnati vs St. Louis Live Odds
Games | PTS | ML | SPR | O/U | |
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St Louis Cardinals
Chicago Cubs
In Progress
Cardinals
Cubs
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1
3
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-425
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-1.5 (-150)
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O 7.5 (-130)
U 7.5 (+100)
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Tampa Bay Rays
Toronto Blue Jays
In Progress
Rays
Blue Jays
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0
3
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+460
-750
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+3.5 (-130)
-3.5 (+100)
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O 8.5 (-130)
U 8.5 (+100)
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Sep 27, 2025 4:06PM EDT
Colorado Rockies
San Francisco Giants
9/27/25 4:06PM
Rockies
Giants
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–
–
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+190
-235
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+1.5 (-105)
-1.5 (-115)
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O 8 (-105)
U 8 (-115)
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Sep 27, 2025 4:11PM EDT
New York Mets
Miami Marlins
9/27/25 4:11PM
Mets
Marlins
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–
–
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-140
+115
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-1.5 (+120)
+1.5 (-145)
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O 8 (-105)
U 8 (-115)
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Sep 27, 2025 4:11PM EDT
Detroit Tigers
Boston Red Sox
9/27/25 4:11PM
Tigers
Red Sox
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–
–
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+100
-120
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-1.5 (+165)
+1.5 (-200)
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O 8.5 (-110)
U 8.5 (-110)
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Sep 27, 2025 5:05PM EDT
Chicago White Sox
Washington Nationals
9/27/25 5:05PM
White Sox
Nationals
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–
–
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-105
-115
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-1.5 (+150)
+1.5 (-180)
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O 8.5 (-115)
U 8.5 (-105)
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Sep 27, 2025 6:05PM EDT
Minnesota Twins
Philadelphia Phillies
9/27/25 6:05PM
Twins
Phillies
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–
–
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+185
-225
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+1.5 (-110)
-1.5 (-110)
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O 8.5 (-115)
U 8.5 (-105)
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Sep 27, 2025 7:11PM EDT
Cincinnati Reds
Milwaukee Brewers
9/27/25 7:11PM
Reds
Brewers
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–
–
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+110
-130
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+1.5 (-190)
-1.5 (+155)
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O 8 (-110)
U 8 (-110)
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Sep 27, 2025 7:15PM EDT
Pittsburgh Pirates
Atlanta Braves
9/27/25 7:15PM
Pirates
Braves
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–
–
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+145
-175
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+1.5 (-150)
-1.5 (+125)
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O 8 (-105)
U 8 (-115)
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Sep 27, 2025 7:16PM EDT
Texas Rangers
Cleveland Guardians
9/27/25 7:16PM
Rangers
Guardians
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–
–
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+120
-145
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+1.5 (-190)
-1.5 (+155)
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O 7 (-120)
U 7 (+100)
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Sep 27, 2025 8:40PM EDT
Arizona Diamondbacks
San Diego Padres
9/27/25 8:40PM
Diamondbacks
Padres
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–
–
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+130
-155
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+1.5 (-170)
-1.5 (+140)
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O 7.5 (-105)
U 7.5 (-115)
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Sep 27, 2025 9:39PM EDT
Houston Astros
Los Angeles Angels
9/27/25 9:39PM
Astros
Angels
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–
–
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-145
+120
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-1.5 (+110)
+1.5 (-130)
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O 9 (-110)
U 9 (-110)
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Sep 27, 2025 9:41PM EDT
Los Angeles Dodgers
Seattle Mariners
9/27/25 9:41PM
Dodgers
Mariners
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–
–
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+100
-120
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-1.5 (+175)
+1.5 (-215)
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O 7 (-115)
U 7 (-105)
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Sep 27, 2025 10:05PM EDT
Kansas City Royals
Oakland Athletics
9/27/25 10:05PM
Royals
Athletics
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–
–
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+100
-120
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-1.5 (+155)
+1.5 (-190)
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O 10 (-115)
U 10 (-105)
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Sep 28, 2025 3:06PM EDT
Baltimore Orioles
New York Yankees
9/28/25 3:06PM
Orioles
Yankees
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–
–
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+144
-172
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+1.5 (-146)
-1.5 (+122)
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O 9 (-122)
U 9 (+100)
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MLB Past Picks
Remi—our in-house AI—prices every game and prop using multi-season priors, tempo/efficiency, injury/usage signals, and market movement.
We publish fair prices, recommended “buy-to” numbers, and confidence so you can bet prices, not teams.
This preview covers Cincinnati Reds vs. St. Louis Cardinals on June 21, 2025 at Busch Stadium.
Odds shown reflect widely available numbers and may update closer to kickoff.
Want more? Check live edges, player props, and line moves on our MLB odds pages, and compare prices before you place a bet.
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LEAN | %WIN | UNITS | RESULT |
---|---|---|---|---|
ARI@SD | SD -131 | 57.3% | 4 | WIN |
DET@BOS | BOS -115 | 56.4% | 5 | WIN |
NYM@CHC | NYM -110 | 54.1% | 3 | WIN |
HOU@ATH | ATH +118 | 50.8% | 4 | WIN |
NYM@CHC | OVER 7 | 54.5% | 3 | WIN |
STL@SF | OVER 7.5 | 55.9% | 5 | LOSS |
KC@LAA | TYLER TOLBERT UNDER 1.5 BASES | 54.4% | 4 | WIN |
MIL@SD | UNDER 9 | 54.7% | 4 | WIN |
MIA@PHI | KYLE SCHWARBER OVER 1.5 HITS+RUNS+RBIS | 53.3% | 3 | WIN |
WAS@NYM | OVER 8.5 | 56.1% | 6 | LOSS |
LAA@COL | COL +108 | 50.5% | 3 | WIN |
TOR@KC | UNDER 9 | 54.7% | 4 | LOSS |
SEA@KC | KC +1.5 | 62.3% | 5 | LOSS |
NYY@MIN | OVER 9 | 55.1% | 4 | WIN |
MIA@COL | OVER 10.5 | 55.0% | 4 | WIN |
MIA@COL | AGUSTIN RAMIREZ OVER 1.5 HITS+RUNS+RBIS | 54.3% | 4 | WIN |
SEA@KC | BOBBY WITT UNDER 0.5 SINGLES | 54.4% | 4 | LOSS |
PHI@LAD | LAD -113 | 54.7% | 4 | LOSS |
NYY@BOS | OVER 7.5 | 54.3% | 3 | WIN |
KC@PHI | PHI -130 | 58.3% | 4 | WIN |
LAD@SF | OVER 7.5 | 54.7% | 4 | LOSS |
NYM@PHI | PHI -122 | 55.6% | 4 | WIN |
KC@CLE | KC -104 | 52.0% | 3 | WIN |
CIN@SD | JAKE CRONEWORTH OVER 0.5 HITS | 53.1% | 3 | WIN |
WAS@MIA | MIA -123 | 55.2% | 4 | LOSS |
LAA@KC | UNDER 9.5 | 54.9% | 3 | WIN |
TEX@ARI | UNDER 9 | 54.2% | 4 | WIN |
SF@COL | UNDER 11.5 | 56.4% | 6 | LOSS |
SF@COL | RAFAEL DEVERS OVER 1.5 BASES | 56.1% | 6 | WIN |
MIA@WAS | WAS -110 | 54.4% | 4 | WIN |
NYM@DET | OVER 8.5 | 54.5% | 4 | WIN |
TEX@ARI | UNDER 9.5 | 56.4% | 6 | WIN |
TEX@ARI | ALEJANDRO OSUNA UNDER 1.5 BASES | 54.1% | 4 | LOSS |
ATL@CHC | CHC -116 | 55.1% | 3 | WIN |
PHI@MIL | OVER 8.5 | 55.0% | 3 | WIN |
ARI@LAD | SHOHEI OHTANI OVER 2.5 BASES | 54.2% | 4 | WIN |
SEA@CLE | CLE +1.5 | 57.2% | 3 | WIN |
CHC@SF | CHC -105 | 54.1% | 4 | LOSS |
NYY@CHW | RYAN MCMAHON OVER 0.5 BASES | 54.1% | 4 | WIN |
PHI@NYM | OVER 8.5 | 55.6% | 4 | LOSS |
LAA@TEX | LOGAN OHOPPE OVER 1.5 HITS+RUNS+RBIS | 54.1% | 4 | LOSS |
KC@CHW | KC -109 | 54.2% | 4 | WIN |
SD@SEA | DYLAN CEASE OVER 16.5 OUTS | 53.9% | 3 | LOSS |
SD@SEA | UNDER 8.5 | 54.4% | 4 | LOSS |
MIN@TOR | JOE RYAN UNDER 2.5 EARNED RUNS | 54.1% | 4 | LOSS |
SF@MIL | MIL +100 | 54.0% | 6 | LOSS |
TOR@MIA | MIA +1.5 | 62.0% | 6 | WIN |
CHC@LAA | OVER 9.5 | 54.9% | 4 | LOSS |
BOS@NYY | CARLOS RODON UNDER 4.5 HITS ALLOWED | 54.2% | 4 | WIN |
KC@DET | DET -115 | 56.1% | 5 | WIN |
CHC@LAA | LAA +1.5 | 57.6% | 5 | LOSS |