Orioles vs Diamondbacks Prediction, Odds & Player Prop Bets Today – MLB, Apr 9

Arizona Diamondbacks designated hitter Lourdes Gurriel Jr. bats during the third inning of a baseball game, Saturday, June 10, 2023, in Detroit.
(AP Photo/Carlos Osorio)
  • The Orioles are +105 favorites vs the Diamondbacks
  • Orioles vs Diamondbacks Over / Under today: 9 Runs
  • Orioles / Diamondbacks TV Channel: MAS2 | DBTV

The Baltimore Orioles (+105) visit Chase Field to take on the Arizona Diamondbacks (-125) on Wednesday, April 9, 2025. First pitch is scheduled for 3:40pm EDT in Phoenix, AZ.

This season, the Orioles are 5-6 against the spread (ATS), while the Diamondbacks are 5-6 ATS.

Orioles vs Diamondbacks Starting Pitchers Today:

  • Orioles starting pitcher: Dean Kremer 1-1, 6.52 ERA
  • Diamondbacks starting pitcher: Brandon Pfaadt 1-1, 5.26 ERA

Orioles vs. Diamondbacks Odds, Run Line, Over/Under & Moneyline

SpreadOver / UnderMoneyline
Orioles+1.5 -210O 9 -110+105
Diamondbacks -1.5 +160U 9 -110-125

Orioles vs Diamondbacks Prediction for Today’s Game

Based on recent trends the model predicts the Diamondbacks will win Wednesday‘s MLB game with 52.2% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.


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We’ve highlighted some favorite MLB player prop bets for Orioles players for Wednesday‘s game, looking at profitable historical betting trends:

Best Orioles Player Prop Bets Today:

  • Ramon Urias has hit the Hits Over in 19 of his last 25 games (+9.70 Units / 23% ROI)
  • Ramon Urias has hit the Total Bases Over in 19 of his last 25 games (+9.60 Units / 24% ROI)
  • Ramon Urias has hit the Runs Over in 11 of his last 20 away games (+9.05 Units / 45% ROI)
  • Ramon Urias has hit the Singles Over in 13 of his last 20 games (+6.25 Units / 29% ROI)
  • Ryan Mountcastle has hit the RBIs Under in 12 of his last 15 away games (+5.30 Units / 15% ROI)

And here are some favorite MLB player prop bets for Diamondbacks players for Wednesday‘s game, looking at profitable historical betting trends:

Best Diamondbacks Player Prop Best Bets Today:

  • Jake McCarthy has hit the Hits Under in his last 6 games (+8.05 Units / 134% ROI)
  • Jake McCarthy has hit the Total Bases Under in his last 6 games (+8.05 Units / 134% ROI)
  • Brandon Pfaadt has hit the Hits Allowed Over in 11 of his last 15 games at home (+7.25 Units / 42% ROI)
  • Brandon Pfaadt has hit the Earned Runs Over in 11 of his last 15 games (+7.20 Units / 41% ROI)
  • Jake McCarthy has hit the Hits Runs and RBIs Under in his last 6 games (+6.40 Units / 81% ROI)
  • The Baltimore Orioles have hit the Team Total Under in 55 of their last 89 games (+18.05 Units / 18% ROI)
  • The Baltimore Orioles have hit the Game Total Over in 83 of their last 154 games (+17.80 Units / 11% ROI)
  • The Baltimore Orioles have covered the Run Line in 39 of their last 61 away games (+16.85 Units / 21% ROI)
  • The Baltimore Orioles have hit the 1st Five Innings (F5) Moneyline in 40 of their last 74 away games (+10.75 Units / 11% ROI)
  • The Baltimore Orioles have hit the Moneyline in 46 of their last 78 away games (+9.00 Units / 9% ROI)
  • The Arizona Diamondbacks have hit the Game Total Over in 69 of their last 106 games (+32.10 Units / 27% ROI)
  • The Arizona Diamondbacks have hit the Moneyline in 64 of their last 105 games (+16.95 Units / 12% ROI)
  • The Arizona Diamondbacks have covered the Run Line in 56 of their last 97 games (+13.40 Units / 11% ROI)
  • The Arizona Diamondbacks have covered the 1st Five Innings (F5) Run Line in 58 of their last 97 games (+12.60 Units / 11% ROI)
  • The Arizona Diamondbacks have hit the 1st Five Innings (F5) Moneyline in 64 of their last 128 games (+9.70 Units / 6% ROI)

Orioles Against the Spread (ATS) Record

Against the spread this season, the Orioles are 5-6 against the Run Line (-2.8 Units / -16.37% ROI).

  • 5-6 when betting on the Moneyline for -1.5 Units / -12.4% ROI
  • 7-4 when betting on the total runs Over for +2.8 Units / 23.43% ROI
  • 4-7 when betting on the total runs Under for -3.65 Units / -29.8% ROI

Diamondbacks Against the Spread (ATS) Record

Against the spread this season, the Diamondbacks are 5-6 against the Run Line (-0.9 Units / -6.74% ROI).

  • 5-6 when betting on the Moneyline for -2.5 Units / -17.61% ROI
  • 6-4 when betting on the total runs Over for +1.6 Units / 13.33% ROI
  • 4-6 when betting on the total runs Under for -2.7 Units / -22.13% ROI

Diamondbacks vs Orioles Home Run Prop Bets Today

Over Under
Eugenio Suarez (ARI) 0.5 +400 0.5 -525
Gunnar Henderson (BAL) 0.5 +425 0.5 -600
Tyler Oโ€™Neill (BAL) 0.5 +450 0.5 -625
Corbin Carroll (ARI) 0.5 +450 0.5 -625
Jordan Westburg (BAL) 0.5 +550 0.5 -800

Diamondbacks vs Orioles Total Hits Prop Bets Today

Over Under
Corbin Carroll (ARI) 0.5 -235 0.5 +175
Jordan Westburg (BAL) 0.5 -225 0.5 +170
Lourdes Gurriel Jr. (ARI) 0.5 -225 0.5 +175
Adley Rutschman (BAL) 0.5 -210 0.5 +160
Ryan Mountcastle (BAL) 0.5 -200 0.5 +150

Diamondbacks vs Orioles RBI Prop Bets Today

Over Under
Gunnar Henderson (BAL) 0.5 +165 0.5 -220
Eugenio Suarez (ARI) 0.5 +170 0.5 -225
Josh Naylor (ARI) 0.5 +170 0.5 -225
Lourdes Gurriel Jr. (ARI) 0.5 +180 0.5 -235
Tyler Oโ€™Neill (BAL) 0.5 +185 0.5 -250

Diamondbacks vs Orioles Strikeout Prop Bets Today

Over Under
Brandon Pfaadt (ARI) 5.5 -105 5.5 -125
Dean Kremer (BAL) 4.5 +120 4.5 -155

Opponents had a line drive rate of 35% (35/99) versus Dean Kremer with runners in scoring position in 2023 — highest in MLB among starting pitchers with at least 64 total IP; League Avg: 24% — 0 Percentile.

Dean Kremer located 57% of his pitches away (1,656/2,925) in 2023 — highest among qualified SPs in MLB; League Avg: 46% — 100th Percentile.

Dean Kremer has a strikeout rate of just 6% (1 SO in 18 PAs) when going through the lineup the first time in a game this season — tied for 2nd lowest in MLB among starting pitchers with at least 4 total IP; League Avg: 23% — fourth Percentile.

Opponents have a line drive rate of just 13% (12/94) against Dean Kremer with runners in scoring position since last season — 2nd lowest in MLB among starting pitchers with at least 68 total IP; League Avg: 23% — 99th Percentile.

Diamondbacks Starting Pitcher Stats & Trends

Brandon Pfaadt has allowed a slugging percentage of .667 (14 Total Bases / 21 ABs) with two-strikes this season — tied for highest among qualified SPs in MLB; League Avg: .234 — second Percentile.

Brandon Pfaadt has allowed a slugging percentage of .667 (14 Total Bases / 21 ABs) with two-strikes in his last two starts — tied for highest in MLB over the last two weeks; League Avg: .232 — second Percentile.

Brandon Pfaadt has allowed a slugging percentage of .741 (20 Total Bases / 27 ABs) when ahead in the count this season — highest among qualified SPs in MLB; League Avg: .252 — first Percentile.

Brandon Pfaadt has a first-pitch strike rate of 76% (37/49) this season — 2nd highest among qualified SPs in MLB; League Avg: 63% — 98th Percentile.

Orioles Keys to the Game vs. the Diamondbacks

The Orioles are 71-26 (.732) when they’ve scored in the first inning since the 2023 season — 2nd best in MLB; League Avg: .626.

The Orioles are 40-13 (.755) when they’ve scored in the first inning since last season — 3rd best in MLB; League Avg: .639.

The Orioles were 36-10 (.783) when they scored in the first inning in the 2024 season — 2nd best in MLB; League Avg: .641.

The Orioles are 86-5 (.945) when leading entering the 8th inning since last season — 4th best in MLB; League Avg: .901.

Diamondbacks Keys to the Game vs. the Orioles

The Diamondbacks are 21-123 (.145) when trailing entering the 8th inning since the 2023 season — 2nd best in MLB; League Avg: .099.

The Diamondbacks are 137-35 (.792) when allowing 4 or fewer runs since the 2023 season — 3rd best in MLB; League Avg: .727.

The Diamondbacks were 13-51 (.200) when trailing entering the 7th inning in the 2024 season — tied for 4th best in MLB; League Avg: .143.

The Diamondbacks are 11-61 (.151) when trailing entering the 8th inning since last season — 4th best in MLB; League Avg: .098.

Orioles hitters have put just 33% of balls in play to the left side of the field since last season — lowest in MLB; League Avg: 38%.

Orioles hitters have put just 34% of balls in play to the left side of the field since the 2023 season — 2nd lowest in MLB; League Avg: 38%.

Orioles hitters slugged .440 on the road in the 2024 season — best in MLB; League Avg: .394.

Orioles hitters have put just 34% of balls in play to the left side of the field with runners in scoring position since the 2023 season — lowest in MLB; League Avg: 38%.

Diamondbacks hitters have an OBP of .345 (2,140 PA’s) against LHP since last season — best in MLB; League Avg: .313.

Diamondbacks hitters had an OBP of .347 (3,080 PA’s) at home in the 2024 season — best in MLB; League Avg: .315.

Diamondbacks hitters have just 22 strikeouts in 157 PA’s (14%) against LHP this season — best in MLB; League Avg: 24%.

The Diamondbacks are batting .279 against LHP since last season — best in MLB; League Avg: .244.

Opponents have a miss rate of just 23% against Orioles pitchers this season — 2nd lowest in MLB; League Avg: 26%.

Orioles pitchers have walked 15 of 103 batters (15%) when facing the leadoff batter in the inning this season — 4th highest in MLB; League Avg: 9%.

Orioles pitchers have a strikeout rate of just 38% with two-strikes this season — 4th lowest in MLB; League Avg: 43%.

Orioles pitchers allowed an OBP of just .281 (1,446 PA’s) when facing the leadoff batter in the inning in the 2024 season — 2nd best in MLB; League Avg: .305.

The Diamondbacks pitchers have allowed their opponents to score first in just 35% of their games on the road since the 2023 season — 2nd lowest in MLB; League Avg: 44%.

Diamondbacks pitchers had an ERA of 4.68 (739.0 IP) at home in the 2024 season — 3rd highest in MLB; League Avg: 3.98.

Diamondbacks pitchers have a strikeout rate of just 21% since last season — tied for 5th lowest in MLB; League Avg: 23%.

Opponents have a miss rate of 29% against Diamondbacks pitchers this season — 4th best in MLB; League Avg: 26%.

More MLB Reading:


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Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.

Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.