Diamondbacks vs Orioles Prediction, Odds, Moneyline, Spread & Over/Under for April 8

Odds updated as of 9:11 p.m.
The MLB slate on Tuesday includes the Baltimore Orioles facing the Arizona Diamondbacks.
We've got you covered, in terms of the most important info about this game before you take a look at the MLB odds and spreads on FanDuel Sportsbook.
Orioles vs Diamondbacks Game Info
- Baltimore Orioles (5-6) vs. Arizona Diamondbacks (5-6)
- Date: Tuesday, April 8, 2025
- Time: 9:40 p.m. ET
- Venue: Chase Field -- Phoenix, Arizona
- Coverage: ARID and MASN2
Orioles vs Diamondbacks Odds & Moneyline
- All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
- Moneyline: BAL: (-112) | ARI: (-104)
- Spread: BAL: -1.5 (+140) | ARI: +1.5 (-170)
- Total: 9.5 -- Over: (-105) | Under: (-115)
Orioles vs Diamondbacks Probable Starting Pitchers
Probable Pitchers: Charlie Morton (Orioles) - 0-2, 9.72 ERA vs Merrill Kelly (Diamondbacks) - 1-1, 10.00 ERA
The Orioles will give the nod to Charlie Morton (0-2, 9.72 ERA), who is eyeing win No. 1 on the season, and the Diamondbacks will counter with Merrill Kelly (1-1, 10.00 ERA). Morton has a record of 0-2-0 ATS in two starts with a spread this season. Morton's team lost his only start as a favorite this season. Kelly has started two games with set spreads, and the Diamondbacks went 1-1-0. The Diamondbacks were the moneyline underdog for one Kelly start this season -- they lost.
Orioles vs Diamondbacks Prediction & Pick
All MLB win probability predictions and picks are according to numberFire.
Prediction: Orioles win (53.2%)
Orioles vs Diamondbacks Moneyline
- The moneyline numbers for Orioles vs. Diamondbacks reveal Baltimore as the favorite (-112) and Arizona as the underdog (-104) despite being the home team.
Orioles vs Diamondbacks Spread
- The Diamondbacks are +1.5 on the run line against the Orioles. The Diamondbacks are -170 to cover, and the Orioles are +140.
Orioles vs Diamondbacks Over/Under
- Orioles versus Diamondbacks, on April 8, has an over/under of 9.5, with the over being -105 and the under -115.
Bet on Baltimore Orioles vs. Arizona Diamondbacks on FanDuel today!
Orioles vs Diamondbacks Betting Trends
- The Orioles have won in one of the three contests they have been named as odds-on favorites in this year.
- Baltimore has been listed as a favorite of -112 or more on two occasions this season and split those games.
- The Orioles and their opponents have gone over in seven of their 11 games with a total set by sportsbooks this season.
- The Orioles are 5-6-0 against the spread in their 11 games that had a posted line this season.
- The Diamondbacks have been listed as the moneyline underdog only two other times so far this season, and they split the games.
- Arizona has played as a moneyline underdog of -104 or longer in only two games this season, which it split 1-1.
- The Diamondbacks have played in 11 games with an over/under set, and have combined with their opponents to go over the total six times (6-4-1).
- The Diamondbacks have a 5-6-0 record against the spread this season.
Orioles Player Leaders
- Cedric Mullins leads Baltimore with 10 hits and an OBP of .419 this season. He has a .286 batting average and a slugging percentage of .600.
- Among all qualified batters, he is 50th in batting average, his on-base percentage ranks 20th, and he is 19th in slugging.
- Adley Rutschman has a double, two home runs and five walks. He's batting .256 and slugging .436 with an on-base percentage of .341.
- He is 83rd in batting average, 73rd in on-base percentage and 77th in slugging among qualified hitters.
- Rutschman has picked up a hit in four straight games. During his last five outings he is hitting .222 with three walks and an RBI.
- Jordan Westburg has collected 11 base hits, an OBP of .341 and a slugging percentage of .500 this season.
- Tyler O'Neill has been key for Baltimore with 11 hits, an OBP of .378 plus a slugging percentage of .576.
Diamondbacks Player Leaders
- Eugenio Suarez is hitting .162 with a double, five home runs and six walks. He's slugging .595 with an on-base percentage of .311.
- He is 161st in batting average, 102nd in on-base percentage and 21st in slugging percentage among all qualified batters in MLB.
- Geraldo Perdomo leads his team with a .436 slugging percentage. He has a batting average of .308 with an on-base percentage of .333.
- Including all qualifying players, he is 36th in batting average, 77th in on-base percentage and 77th in slugging percentage.
- Corbin Carroll has racked up a team-high slugging percentage (.628) and paces the Diamondbacks in hits (12).
- Josh Naylor paces his team with a .391 OBP, and has a club-leading .400 slugging percentage.
Orioles vs Diamondbacks Head to Head
- 4/7/2025: 5-1 BAL (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
- 5/12/2024: 9-2 ARI (Favorite: Orioles, Spread: -1.5, Total: 7.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
- 5/11/2024: 5-4 BAL (Favorite: Orioles, Spread: -1.5, Total: 8.5, Favorite Moneyline: -152, Underdog Moneyline: +128)
- 5/10/2024: 4-2 BAL (Favorite: Orioles, Spread: -1.5, Total: 7.5, Favorite Moneyline: -132, Underdog Moneyline: +112)
- 9/3/2023: 8-5 BAL (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
- 9/2/2023: 7-3 BAL (Favorite: Orioles, Spread: -1.5, Total: 9, Favorite Moneyline: -132, Underdog Moneyline: +112)
- 9/1/2023: 4-2 ARI (Favorite: Orioles, Spread: -1.5, Total: 9.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
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