Orioles vs. Diamondbacks
Prediction, Odds & Props
Apr 09 | MLB AI Picks

Updated: 2025-04-07T03:31:50.923562ZBy Remi at Leans.AI — AI picks for ATS, ML, OU & props

On April 9, 2025, the Baltimore Orioles will face the Arizona Diamondbacks at Chase Field in Phoenix, Arizona, concluding their three-game interleague series. Both teams enter the matchup with identical 5-6 records, aiming to gain momentum early in the season.

Get key insights, betting trends, and AI-powered predictions to help incorporate into your betting strategies.

AI Sports Betting Algorithm Remi

GAME INFO

Date: Apr 09, 2025

Start Time: 3:40 PM EST​

Venue: Chase Field​

Diamondbacks Record: (6-6)

Orioles Record: (5-7)

OPENING ODDS

BAL Moneyline: +105

ARI Moneyline: -125

BAL Spread: +1.5

ARI Spread: -1.5

Over/Under: 9

BAL
Betting Trends

  • The Orioles have covered the spread in 3 of their last 7 games, reflecting a 3-4 ATS record this season.

ARI
Betting Trends

  • The Diamondbacks have a 5-3 ATS record, indicating they have covered the spread in 5 of their 8 games this season.

MATCHUP TRENDS

  • The Diamondbacks have been favored in 7 games this season, winning 4 of them, while the Orioles have been underdogs in 4 games, winning 1.

BAL vs. ARI
Best Prop Bet

  • Remi's searched hard and found the best prop for this matchup: R. O'Hearn over 0.5 Total Bases.

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Baltimore vs Arizona Prediction & Odds:
Free MLB Betting Insights for 4/9/25

The April 9, 2025 matchup between the Baltimore Orioles and the Arizona Diamondbacks at Chase Field brings together two teams with similar records but different areas of strength as they look to gain traction early in the season. Both the Orioles and Diamondbacks sit at 5-6, slightly under .500, and are seeking consistency as they wrap up this interleague series. The Orioles have shown glimpses of offensive firepower, particularly from Ryan Mountcastle, who enters the game hitting .316, and Cedric Mullins, whose combination of power and run production—3 home runs and 14 RBIs—has kept Baltimore competitive in tight games. However, the lineup has struggled to deliver timely hits with runners in scoring position, and extended scoring droughts have cost them winnable contests. Dean Kremer is scheduled to start on the mound for Baltimore, carrying a 1-1 record with a 6.52 ERA—numbers that reflect some early control issues and trouble keeping the ball in the park. Meanwhile, the Orioles’ bullpen has been underwhelming, surrendering leads late in several games and exposing the thin margin of error the rotation must work with. Their overall 3-4 ATS performance suggests inconsistency in beating expectations, especially when tasked with closing games against evenly matched or slightly inferior opponents. On the other side, the Diamondbacks also find themselves trying to stabilize after an erratic start, though their roster continues to feature some dynamic individual performances. Corbin Carroll leads Arizona with a .304 batting average, and veteran slugger Eugenio Suárez has supplied early-season power with five home runs, while Geraldo Perdomo has stepped up with 12 RBIs to pace the team in run production.

Still, Arizona’s offensive output has often come in spurts, and like Baltimore, the Diamondbacks have struggled to convert early leads into comfortable wins. Brandon Pfaadt will take the mound for this contest, bringing a 1-1 record and a 5.25 ERA into the matchup—another reflection of a pitcher who can flash quality stuff but hasn’t yet strung together a dominant outing. The bullpen has had its own issues closing out games, which has led to multiple games slipping away late, making the Diamondbacks’ 5-3 ATS record a somewhat deceptive indicator of their actual performance level. Playing at Chase Field has not yet yielded a decisive home-field edge, as Arizona has posted just a 2-3 record in front of their home fans, struggling to generate momentum across full nine-inning efforts. Both teams will look to this game as an opportunity to reset and gain some early-season momentum, and the matchup projects as evenly balanced, with similar weaknesses in bullpen depth and rotation inconsistency. The key factors likely to determine the winner will be situational hitting and who can get the most out of their starter—whether Kremer can limit hard contact or Pfaadt can avoid the big inning that has hurt him in past starts. Given the offensive talent in both lineups and the volatility of the starting pitching, this game could swing on a single missed opportunity or defensive lapse. With each club hovering near .500 and aiming to avoid slipping deeper into the standings, Wednesday’s series finale offers a meaningful chance to build rhythm and confidence, especially for the winner heading into the weekend slate. For fans, it promises a competitive contest between two hungry, evenly matched teams still trying to define their identity in 2025.

Baltimore Orioles MLB Preview

The Baltimore Orioles head into their April 9, 2025 road matchup against the Arizona Diamondbacks with a 5-6 record and an underlying sense of urgency to establish momentum in a season that’s been slow to take off. Offensively, the Orioles have enjoyed encouraging performances from key bats like Ryan Mountcastle, who leads the team with a .316 average and provides reliable contact and power from the middle of the order. Meanwhile, Cedric Mullins has emerged as the club’s most potent run producer, already belting 3 home runs and driving in 14 RBIs, showcasing his ability to spark rallies or deliver in high-leverage situations. However, beyond those two contributors, Baltimore has struggled to deliver consistent at-bats in key spots, often leaving runners stranded and failing to extend innings with timely hits. This offensive imbalance has left little room for error on the mound, and the club’s margin for victory has been narrow in most games. Their 3-4 ATS record reflects this inconsistency, particularly when trying to outpace expectations against teams of comparable caliber. Dean Kremer will take the mound for the Orioles, looking to rebound from a shaky start to the season. With a 1-1 record and a concerning 6.52 ERA, Kremer has struggled with command and has been vulnerable to extra-base hits, particularly in early innings. If he can’t locate his fastball and stay ahead in counts, the Diamondbacks—who feature several hot bats—could take advantage quickly. Compounding the issue is a Baltimore bullpen that has failed to lock down close games, often surrendering late leads or allowing insurance runs that deflate comeback chances. Defensively, the Orioles have also had their share of miscues, and while nothing overly glaring, the few extra outs they’ve allowed have had a ripple effect on their pitching depth.

As a road team, the Orioles are 4-4 thus far, demonstrating they can compete away from Camden Yards but have not yet developed a killer instinct in road environments. To get a win in Arizona, they’ll need more than just another standout performance from Mountcastle or Mullins—they’ll need a complete team effort that includes clean defense, stable bullpen innings, and smarter at-bats from the bottom of the order. A victory in this game could have a broader impact for Baltimore beyond just a win in the standings. It could reset their early-season rhythm and help regain the confidence that defined their young, energetic core last season. With Adley Rutschman, Gunnar Henderson, and others capable of big contributions, the Orioles have the tools—they simply need execution. For Kremer, this start represents a pivotal chance to prove he belongs in the rotation long-term and help shoulder some of the load from a bullpen that’s been taxed far too early in the season. If the Orioles can jump on Brandon Pfaadt early and give Kremer some breathing room, their offense has shown it can put up crooked numbers. But if Baltimore’s lineup continues to underperform in clutch moments, it could be another frustrating day in the desert. This game will test whether the Orioles can evolve from a team with potential into one that wins games it’s supposed to—and one that builds momentum through execution, not just talent.

On April 9, 2025, the Baltimore Orioles will face the Arizona Diamondbacks at Chase Field in Phoenix, Arizona, concluding their three-game interleague series. Both teams enter the matchup with identical 5-6 records, aiming to gain momentum early in the season. Baltimore vs Arizona AI Prediction: Free MLB Betting Insights for Apr 09. Credit USA TODAY/IMAGN

Credit: USA TODAY/IMAGN

Arizona Diamondbacks MLB Preview

The Arizona Diamondbacks return to Chase Field on April 9, 2025, looking to close out their home series against the Baltimore Orioles with a much-needed win that could balance their record and build early momentum. At 5-6, the D-backs have been navigating the early part of the season with a mixture of encouraging individual performances and frustrating inconsistencies, particularly when it comes to converting scoring opportunities and protecting leads. Offensively, they’ve received valuable production from Corbin Carroll, who’s batting .304 and consistently putting pressure on opposing pitchers with his speed and contact skills. Veteran slugger Eugenio Suárez has provided the power, leading the team with 5 home runs and giving Arizona a much-needed middle-of-the-order threat. Meanwhile, Geraldo Perdomo has quietly been one of the more effective run producers on the roster, tallying a team-leading 12 RBIs and showing a knack for delivering in situational at-bats. Despite this trio’s contributions, the Diamondbacks have struggled to string together consistent offense across all nine innings, leaving them vulnerable in close games—especially when the pitching staff can’t keep the score tight. On the mound, Brandon Pfaadt will get the start, and he enters with a 1-1 record and a 5.25 ERA, numbers that underscore his up-and-down outings so far this season. Pfaadt has the tools to be a solid middle-rotation option—he’s shown the ability to miss bats and pitch to weak contact—but he’s also been susceptible to the long ball and occasional command lapses, especially when working deep into counts.

He’ll need to stay ahead of hitters and use his breaking stuff more effectively to navigate a Baltimore lineup that, while inconsistent, features hot bats like Cedric Mullins and Ryan Mountcastle. The D-backs’ bullpen has also been a rollercoaster—some outings have showcased its ability to hold leads under pressure, but just as often, relievers have allowed critical runs in the seventh and eighth innings that have flipped winnable games. That lack of bullpen stability has been a recurring theme for Arizona, and it’s one that will need to improve quickly if they hope to remain competitive in a loaded National League. Their 5-3 ATS record this season suggests that they’ve often played above market expectations, especially at home, where they’ve found ways to grind out wins despite not always being dominant. Defensively, the Diamondbacks have been mostly sound, but situational breakdowns—poor relay throws, misjudged fly balls, and missed double play opportunities—have occasionally allowed innings to spiral out of control. Cleaning up those mistakes will be key against a Baltimore team that can manufacture offense in short bursts. With the Chase Field crowd behind them, the D-backs must lean into their home-field energy, play aggressively on the basepaths, and set the tone early with strong at-bats in the first few innings. A quality start from Pfaadt and clean late-inning execution could help Arizona end this homestand on a high note. If their offense can stay locked in and avoid the cold stretches that have plagued previous games, the Diamondbacks are well-positioned to not only grab a win but also shift the momentum of their season in a more positive direction. For a team that knows the margin for error is slim in a hyper-competitive NL West, this game presents a valuable opportunity to assert control, balance their record, and build some early-season identity on home turf.

Baltimore vs. Arizona Prop Picks (AI)

Remi is pouring through loads of stats on each player. In fact, anytime the Orioles and Diamondbacks play there’s always several intriguing angles to key in on. Not to mention games played at Chase Field in Apr seemingly never follow normal, predictable patterns.
Remi's searched hard and found the best prop for this matchup: R. O'Hearn over 0.5 Total Bases.

Baltimore vs. Arizona Prediction (AI)

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Remi, our AI sports algorithm, has been pouring over millions of data from every angle between the Orioles and Diamondbacks and using recursive machine learning and impressive AI to crunch the data to a single cover probability.

The Algorithm has been most watching on the linear correlation of emphasis human bettors regularly put on Baltimore’s strength factors between a Orioles team going up against a possibly deflated Diamondbacks team. We’ve found the true game analytics might reflect a strong lean against one Vegas line specifically.

Unlock this in-depth AI prediction and all of our MLB AI picks for FREE now.

Below is our current AI Baltimore vs Arizona picks, computer picks Orioles vs Diamondbacks, best bets, model edges, confidence ratings.

DATE GAME LEAN %WIN UNITS LEVEL
MLB 9/26 DET@BOS UNLOCK THIS PICK 5 EXECUTIVE Locked EXECUTIVE
MLB 9/26 BAL@NYY UNLOCK THIS PICK 4 INTEL Locked INTEL
MLB 9/26 ARI@SD UNLOCK THIS PICK 4 EXECUTIVE Locked EXECUTIVE
MLB 9/26 NYM@MIA UNLOCK THIS PICK 1 INTEL Locked INTEL
MLB 9/26 NYM@MIA GET FREE PICK NOW 1
MLB 9/26 COL@SF UNLOCK THIS PICK 0 INTEL Locked INTEL

These picks update as information changes—injury reports, weather, and market movement. Each line shows our model’s fair price, the edge versus the market, and a unit confidence rating (1–10). Odds and availability vary by sportsbook and time. Edges are computed against the listed price; value may change after line moves. Always shop for the best number. See the full MLB schedule.

Orioles Betting Trends

The Orioles have covered the spread in 3 of their last 7 games, reflecting a 3-4 ATS record this season.

Diamondbacks Betting Trends

The Diamondbacks have a 5-3 ATS record, indicating they have covered the spread in 5 of their 8 games this season.

Orioles vs. Diamondbacks Matchup Trends

The Diamondbacks have been favored in 7 games this season, winning 4 of them, while the Orioles have been underdogs in 4 games, winning 1.

Baltimore vs. Arizona Game Info

Baltimore vs Arizona starts on April 09, 2025 at 3:40 PM EST.

Spread: Arizona -1.5
Moneyline: Baltimore +105, Arizona -125
Over/Under: 9

Baltimore: (5-7)  |  Arizona: (6-6)

Remi's searched hard and found the best prop for this matchup: R. O'Hearn over 0.5 Total Bases.. Prices move—always shop for the best number.

The Diamondbacks have been favored in 7 games this season, winning 4 of them, while the Orioles have been underdogs in 4 games, winning 1.

BAL trend: The Orioles have covered the spread in 3 of their last 7 games, reflecting a 3-4 ATS record this season.

ARI trend: The Diamondbacks have a 5-3 ATS record, indicating they have covered the spread in 5 of their 8 games this season.

See our latest MLB picks and odds pages for 2025 to compare prices before you bet.

Baltimore vs. Arizona Odds

AI algorithm Remi is pouring through loads of stats on each team. In fact, anytime the Baltimore vs Arizona trends are analyzed, there’s always several intriguing trends to key in on. Not to mention games played at extreme temps rarely follow normal, predictable betting trends.

Baltimore vs Arizona Opening Odds

BAL Moneyline: +105
ARI Moneyline: -125
BAL Spread: +1.5
ARI Spread: -1.5
Over/Under: 9

Baltimore vs Arizona Live Odds

Games PTS ML SPR O/U
Sep 27, 2025 1:06PM EDT
Baltimore Orioles
New York Yankees
9/27/25 1:06PM
Orioles
Yankees
+190
-235
+1.5 (-110)
-1.5 (-110)
O 8.5 (-120)
U 8.5 (+100)
Sep 27, 2025 2:21PM EDT
St Louis Cardinals
Chicago Cubs
9/27/25 2:21PM
Cardinals
Cubs
 
-175
 
-1.5 (+115)
O 9.5 (-105)
U 9.5 (-115)
Sep 27, 2025 3:09PM EDT
Tampa Bay Rays
Toronto Blue Jays
9/27/25 3:09PM
Rays
Blue Jays
+130
-155
+1.5 (-155)
-1.5 (+130)
O 8.5 (-110)
U 8.5 (-110)
Sep 27, 2025 4:06PM EDT
Chicago White Sox
Washington Nationals
9/27/25 4:06PM
White Sox
Nationals
+100
-120
-1.5 (+165)
+1.5 (-200)
O 8.5 (-110)
U 8.5 (-110)
Sep 27, 2025 4:06PM EDT
Colorado Rockies
San Francisco Giants
9/27/25 4:06PM
Rockies
Giants
+185
-225
+1.5 (-110)
-1.5 (-110)
O 8 (-105)
U 8 (-115)
Sep 27, 2025 4:11PM EDT
New York Mets
Miami Marlins
9/27/25 4:11PM
Mets
Marlins
-130
+110
-1.5 (+125)
+1.5 (-150)
O 8.5 (-105)
U 8.5 (-115)
Sep 27, 2025 6:05PM EDT
Minnesota Twins
Philadelphia Phillies
9/27/25 6:05PM
Twins
Phillies
+170
-205
+1.5 (-120)
-1.5 (+100)
O 8.5 (-115)
U 8.5 (-105)
Sep 27, 2025 7:11PM EDT
Cincinnati Reds
Milwaukee Brewers
9/27/25 7:11PM
Reds
Brewers
+125
-150
+1.5 (-180)
-1.5 (+150)
O 8 (-105)
U 8 (-115)
Sep 27, 2025 7:15PM EDT
Pittsburgh Pirates
Atlanta Braves
9/27/25 7:15PM
Pirates
Braves
+140
-170
+1.5 (-155)
-1.5 (+130)
O 8 (-110)
U 8 (-110)
Sep 27, 2025 7:16PM EDT
Texas Rangers
Cleveland Guardians
9/27/25 7:16PM
Rangers
Guardians
+135
-165
+1.5 (-180)
-1.5 (+150)
O 7 (-120)
U 7 (+100)
Sep 27, 2025 8:40PM EDT
Arizona Diamondbacks
San Diego Padres
9/27/25 8:40PM
Diamondbacks
Padres
+115
-140
+1.5 (-190)
-1.5 (+155)
O 7.5 (-120)
U 7.5 (+100)
Sep 27, 2025 9:39PM EDT
Houston Astros
Los Angeles Angels
9/27/25 9:39PM
Astros
Angels
-165
+135
-1.5 (+105)
+1.5 (-125)
O 9 (+100)
U 9 (-120)
Sep 27, 2025 9:41PM EDT
Los Angeles Dodgers
Seattle Mariners
9/27/25 9:41PM
Dodgers
Mariners
+100
-120
-1.5 (+170)
+1.5 (-205)
O 7.5 (-110)
U 7.5 (-110)
Sep 27, 2025 10:05PM EDT
Kansas City Royals
Oakland Athletics
9/27/25 10:05PM
Royals
Athletics
+100
-120
-1.5 (+150)
+1.5 (-180)
O 10 (-110)
U 10 (-110)

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 Baltimore Orioles vs. Arizona Diamondbacks on April 09, 2025 at Chase Field.
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.

    LEAN     %WIN     UNITS RESULT
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
CIN@ARI KEBRYAN HAYES STRIKEOUTS UNDER 0.5 56.2% 6 WIN
LAD@SD SD +110 50.9% 6 WIN