Orioles vs Diamondbacks Prediction, Odds & Player Prop Bets Today – MLB, Apr 8

(AP Photo/Alex Brandon)
  • The Orioles are +100 favorites vs the Diamondbacks
  • Orioles vs Diamondbacks Over / Under today: 9 Runs
  • Orioles / Diamondbacks TV Channel: MAS2 | DBTV | MLBN

The Baltimore Orioles (+100) visit Chase Field to take on the Arizona Diamondbacks (-120) on Tuesday, April 8, 2025. First pitch is scheduled for 9:40pm 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: Charlie Morton 0-2, 9.73 ERA
  • Diamondbacks starting pitcher: Merrill Kelly 1-1, 10.01 ERA

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

SpreadOver / UnderMoneyline
Orioles-1.5 +155O 9 -105+100
Diamondbacks +1.5 -190U 9 -115-120

Orioles vs Diamondbacks Prediction for Today’s Game

Based on recent trends the model predicts the Diamondbacks will win Tuesday‘s MLB game with 51.0% 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 Tuesday‘s game, looking at profitable historical betting trends:

Best Orioles Player Prop Bets Today:

  • Ryan O’Hearn has hit the Home Runs Over in 3 of his last 9 away games (+15.50 Units / 172% ROI)
  • Gunnar Henderson has hit the Runs Under in 19 of his last 25 away games (+12.75 Units / 40% ROI)
  • Gunnar Henderson has hit the Hits Runs and RBIs Under in 18 of his last 25 away games (+11.15 Units / 39% ROI)
  • 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)

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

Best Diamondbacks Player Prop Best Bets Today:

  • Eugenio Suarez has hit the Home Runs Over in 3 of his last 5 games at home (+10.50 Units / 210% ROI)
  • Eugenio Suarez has hit the Singles Under in his last 10 games (+10.00 Units / 55% ROI)
  • 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)
  • 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
Tyler Oโ€™Neill (BAL) 0.5 +400 0.5 -550
Gunnar Henderson (BAL) 0.5 +425 0.5 -600
Eugenio Suarez (ARI) 0.5 +450 0.5 -625
Corbin Carroll (ARI) 0.5 +525 0.5 -750
Adley Rutschman (BAL) 0.5 +575 0.5 -900

Diamondbacks vs Orioles Total Hits Prop Bets Today

Over Under
Jordan Westburg (BAL) 0.5 -250 0.5 +185
Lourdes Gurriel Jr. (ARI) 0.5 -250 0.5 +185
Adley Rutschman (BAL) 0.5 -235 0.5 +175
Ryan Mountcastle (BAL) 0.5 -220 0.5 +165
Ryan O'Hearn (BAL) 0.5 -210 0.5 +160

Diamondbacks vs Orioles RBI Prop Bets Today

Over Under
Adley Rutschman (BAL) 0.5 +150 0.5 -200
Lourdes Gurriel Jr. (ARI) 0.5 +155 0.5 -210
Gunnar Henderson (BAL) 0.5 +155 0.5 -210
Jordan Westburg (BAL) 0.5 +160 0.5 -210
Tyler Oโ€™Neill (BAL) 0.5 +160 0.5 -210

Diamondbacks vs Orioles Strikeout Prop Bets Today

Over Under
Merrill Kelly (ARI) 4.5 +115 4.5 -150
Charlie Morton (BAL) 5.5 +120 5.5 -160

Charlie Morton threw his curveball 47% of the time (705/1,517) vs left-handed batters in the 2024 season — highest among qualified SPs in MLB; League Avg: 18% — 100th Percentile.

Charlie Morton has thrown his curveball 55% of the time (481/878) with two-strikes since last season — highest among qualified SPs in MLB; League Avg: 18% — 100th Percentile.

Charlie Morton has allowed an OBP of .352 (287 PA’s) when going through the lineup the second time in a game since last season — 2nd highest among qualified SPs in MLB; League Avg: .289 — third Percentile.

Charlie Morton threw his curveball 56% of the time (461/824) with two-strikes in the 2024 season — highest among qualified SPs in MLB; League Avg: 19% — 100th Percentile.

Diamondbacks Starting Pitcher Stats & Trends

Merrill Kelly has allowed 4 stolen bases this season — tied for 2nd most in MLB — 99th Percentile.

Merrill Kelly has a strikeout rate of just 7% (3 SO in 46 PAs) this season — tied for 3rd lowest in MLB among starting pitchers with at least 3 total IP; League Avg: 22% — second Percentile.

Left-handed hitters have a chase rate of just 12% (6/52) against Merrill Kelly this season — lowest in MLB among starting pitchers with at least 3 total IP; League Avg: 27% — 0 Percentile.

Merrill Kelly walked 25 of 207 batters (12%) versus the bottom of the order in 2023 — highest among qualified SPs in MLB; League Avg: 7% — second Percentile.

Orioles Keys to the Game vs. the Diamondbacks

The Orioles are 103-67 (.606) on the road since last season — best in MLB; League Avg: .476.

The Orioles are 71-6 (.922) when they’ve had 5 or more XBH since last season — best in MLB; League Avg: .800.

The Orioles are 145-21 (.873) when scoring 5 or more runs since last season — best in MLB; League Avg: .793.

The Orioles are 103-26 (.798) when they’ve hit 2 or more home runs since last season — best in MLB; League Avg: .700.

Diamondbacks Keys to the Game vs. the Orioles

The Diamondbacks are just 152-12 (.927) when leading entering the 9th inning since last season — 4th lowest in MLB; League Avg: .950.

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

The Diamondbacks were 5-59 (.077) when trailing entering the 9th inning in the 2024 season — 4th best in MLB; League Avg: .050.

The Diamondbacks are 136-35 (.791) when allowing 4 or fewer runs since last season — 3rd best in MLB; League Avg: .727.

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 .299 with two-strikes in the 2024 season — 2nd best in MLB; League Avg: .264.

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 (2,136 PA’s) against LHP since last season — best in MLB; League Avg: .314.

The Diamondbacks are batting .279 against LHP since last season — best in MLB; League Avg: .245.

Diamondbacks hitters had an OBP of .346 (1,983 PA’s) against LHP in the 2024 season — best in MLB; League Avg: .314.

The Diamondbacks batted .284 against LHP in the 2024 season — best in MLB; League Avg: .245.

Opponents have a miss rate of just 23% against Orioles pitchers this season — 4th lowest in MLB; League Avg: 26%.

Opponents have a groundball batting average of just .212 against Orioles pitchers with the shift since the 2023 season — best in MLB; League Avg: .244.

Orioles pitchers have walked 13 of 95 batters (14%) when facing the leadoff batter in the inning this season — 5th highest in MLB; League Avg: 9%.

Orioles pitchers have a strikeout rate of 27% in close and late situations since the 2023 season — tied for 5th best in MLB; League Avg: 25%.

Opponents had a miss rate of just 24% against Diamondbacks pitchers in the 2024 season — tied for 4th lowest in MLB; League Avg: 25%.

Diamondbacks pitchers have a strikeout rate of 26% this season — 5th best in MLB; League Avg: 23%.

Diamondbacks pitchers had a strikeout rate of just 21% in the 2024 season — 5th lowest in MLB; League Avg: 23%.

Diamondbacks pitchers have a strikeout rate of 49% with two-strikes this season — 2nd best in MLB; League Avg: 42%.

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.