• The Orioles are -145 favorites vs the Diamondbacks
• Diamondbacks vs Orioles Over / Under today: 8.5 Runs
• Diamondbacks / Orioles TV Channel: MASN | DBTV

The Arizona Diamondbacks (+118) visit Oriole Park at Camden Yards to take on the Baltimore Orioles (-145) on April 13, 2026. First pitch is scheduled for 6:35 pm in Baltimore, MD.

This season, the Diamondbacks are 9-7 against the spread (ATS), while the Orioles are 6-9 ATS.

Diamondbacks vs Orioles Starting Pitchers Today:

• Diamondbacks starting pitcher: Ryne Nelson 1-1, 4.11 ERA
• Orioles starting pitcher: Trevor Rogers 2-0, 1.90 ERA

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

Diamondbacks vs Orioles Prediction for Today’s Game

Based on recent trends the model predicts the Orioles will win Monday‘s MLB game with 51.1% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.

Bet now on Diamondbacks vs Orioles and all games with BetMGM

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

Best Diamondbacks Player Prop Bets Today:

• Alek Thomas has hit the Singles Under in 13 of his last 15 games (+10.20 Units / 44% ROI)
• Ildemaro Vargas has hit the Hits Over in his last 10 games (+10.00 Units / 56% ROI)
• Geraldo Perdomo has hit the Total Bases Under in his last 9 games (+9.30 Units / 61% ROI)
• Ketel Marte has hit the Home Runs Over in 4 of his last 10 away games (+8.30 Units / 83% ROI)
• Geraldo Perdomo has hit the Hits Runs and RBIs Under in 12 of his last 15 games (+7.90 Units / 41% ROI)

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

Best Orioles Player Prop Best Bets Today:

• Gunnar Henderson has hit the Home Runs Over in 5 of his last 9 games (+21.10 Units / 234% ROI)
• Trevor Rogers has hit the Earned Runs Under in 17 of his last 20 games (+14.05 Units / 53% ROI)
• Trevor Rogers has hit the Hits Allowed Under in 16 of his last 20 games (+12.45 Units / 49% ROI)
• Gunnar Henderson has hit the Hits Under in 15 of his last 25 games at home (+12.05 Units / 37% ROI)
• Trevor Rogers has hit the Pitching Outs Over in 16 of his last 20 games (+11.41 Units / 45% ROI)

Diamondbacks Best Bets Today:

• The Arizona Diamondbacks have hit the Team Total Over in 32 of their last 50 games (+13.50 Units / 24% ROI)
• The Arizona Diamondbacks have covered the Run Line in 31 of their last 45 games (+12.45 Units / 20% ROI)
• The Arizona Diamondbacks have hit the 1st Five Innings (F5) Team Total Over in 14 of their last 18 away games (+9.80 Units / 46% ROI)
• The Arizona Diamondbacks have hit the Moneyline in 25 of their last 45 games (+8.75 Units / 18% ROI)
• The Arizona Diamondbacks have hit the Game Total Over in 20 of their last 35 games (+6.80 Units / 18% ROI)

Orioles Best Bets Today:

• The Baltimore Orioles have hit the Game Total Under in 32 of their last 50 games at home (+13.00 Units / 24% ROI)
• The Baltimore Orioles have hit the Team Total Under in 29 of their last 45 games at home (+10.95 Units / 20% ROI)
• The Baltimore Orioles have hit the 1st Five Innings (F5) Team Total Under in 16 of their last 25 games at home (+5.80 Units / 19% ROI)
• The Baltimore Orioles have hit the Moneyline in 22 of their last 40 games (+4.70 Units / 10% ROI)
• The Baltimore Orioles have covered the Run Line in 4 of their last 5 games (+4.00 Units / 70% ROI)

Diamondbacks Against the Spread (ATS) Record

Against the spread this season, the Diamondbacks are 13-3 against the Run Line (+8.9 Units / 38.12% ROI).

• 9-7 when betting on the Moneyline for +3.5 Units / 20.83% ROI
• 9-6 when betting on the total runs Over for +2.5 Units / 14.2% ROI
• 6-9 when betting on the total runs Under for -3.8 Units / -21.59% ROI

Orioles Against the Spread (ATS) Record

Against the spread this season, the Orioles are 6-9 against the Run Line (-3.25 Units / -18.26% ROI).

• 8-7 when betting on the Moneyline for -0.5 Units / -2.62% ROI
• 8-7 when betting on the total runs Over for +0.15 Units / 0.92% ROI
• 7-8 when betting on the total runs Under for -2.1 Units / -12.61% ROI

Diamondbacks Keys to the Game vs. the Orioles

The Diamondbacks were just 67-7 (.905) when leading entering the 9th inning in the 2025 season — 2nd lowest in MLB; League Avg: .956.

The Diamondbacks are just 67-19 (.779) when leading entering the 7th inning since the 2025 season — 2nd lowest in MLB; League Avg: .876.

The Diamondbacks were just 67-13 (.838) when leading entering the 8th inning in the 2025 season — tied for 2nd lowest in MLB; League Avg: .909.

The Diamondbacks were just 61-17 (.782) when leading entering the 7th inning in the 2025 season — 2nd lowest in MLB; League Avg: .875.

Orioles Keys to the Game vs. the Diamondbacks

The Orioles are just 1-83 (.012) when trailing entering the 9th inning since the 2025 season — tied for 2nd lowest in MLB; League Avg: .041.

The Orioles were just 10-67 (.130) when they allowed 5 or more runs in the 2025 season — 4th lowest in MLB; League Avg: .202.

The Orioles were just 1-77 (.013) when trailing entering the 9th inning in the 2025 season — 3rd lowest in MLB; League Avg: .043.

The Orioles are just 70-11 (.864) when leading entering the 8th inning since the 2025 season — 5th lowest in MLB; League Avg: .909.

Diamondbacks Hitting Stats & Trends

Diamondbacks hitters have an OBP of just .275 (392 PA’s) against RHP this season — 2nd lowest in MLB.

The Diamondbacks are batting .432 on the first pitch of at-bats this season — 2nd best in MLB.

Diamondbacks hitters slugged .439 against RHP in the 2025 season — tied for 3rd best in MLB.

Diamondbacks hitters had an OPS of .764 (4,376 PA’s) against RHP in the 2025 season — 4th best in MLB.

Orioles Hitting Stats & Trends

Orioles hitters are slugging just .365 on the first pitch of at-bats this season — 2nd lowest in MLB.

Orioles hitters have drawn walks in 12% of their PA’s against LHP this season — 4th best in MLB.

The Orioles are batting .267 against LHP this season — 5th best in MLB.

Orioles hitters struck out in 24% of their PA’s in the 2025 season — 3rd highest in MLB.

Diamondbacks Pitching Stats & Trends

Diamondbacks pitchers have walked 5% of batters when facing the leadoff batter in the inning this season — 2nd best in MLB.

Diamondbacks pitchers had a strikeout rate of just 21% in the 2025 season — 5th lowest in MLB.

Diamondbacks pitchers have a strikeout rate of just 20% this season — 4th lowest in MLB.

Diamondbacks pitchers have allowed an OBP of just .232 (142 PA’s) when facing the leadoff batter in the inning this season — best in MLB.

Orioles Pitching Stats & Trends

Orioles pitchers walked 10% of batters when facing the leadoff batter in the inning in the 2025 season — 2nd highest in MLB.

Orioles pitchers have walked 11% of batters when facing the leadoff batter in the inning since the 2025 season — 2nd highest in MLB.

In games when their opponents scored three or more runs in an inning, the Orioles won just 11% of the time in the 2025 season — lowest in MLB.

Opponents had a groundball batting average of .269 against Orioles pitchers in the 2025 season — 3rd highest in MLB.

More MLB Reading:

• Home Run Predictions Today
• Best NRFI Bets Today
• Strikeout Props Today
• MLB Starting Pitchers Today

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