Orioles vs Diamondbacks Prediction, Odds, Moneyline, Spread & Over/Under for April 9

Odds updated as of 3:11 p.m.

The Baltimore Orioles versus the Arizona Diamondbacks is on the MLB schedule for Wednesday.

Here's what you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

Orioles vs Diamondbacks Game Info

• Baltimore Orioles (5-7) vs. Arizona Diamondbacks (6-6)
• Date: Wednesday, April 9, 2025
• Time: 3:40 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: Dean Kremer (Orioles) - 1-1, 6.52 ERA vs Brandon Pfaadt (Diamondbacks) - 1-1, 5.25 ERA

The Orioles will give the nod to Dean Kremer (1-1, 6.52 ERA), who is eyeing win No. 2 on the season, and the Diamondbacks will turn to Brandon Pfaadt (1-1, 5.25 ERA). Kremer has a record of 1-1-0 ATS in two starts with a spread this season. Kremer's team lost his only start as a favorite this season. Pfaadt has started two games with set spreads, and the Diamondbacks went 1-1-0. The Diamondbacks have yet to be named a moneyline underdog when Pfaadt starts this season.

Orioles vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Diamondbacks win (54.4%)

Orioles vs Diamondbacks Moneyline

• The Orioles vs Diamondbacks moneyline has Baltimore as a -112 favorite, while Arizona is a -104 underdog at home.

Orioles vs Diamondbacks Spread

• The Orioles are favored by 1.5 runs on the road against the Diamondbacks. The Orioles are +140 to cover the spread, while the Diamondbacks are -170.

Orioles vs Diamondbacks Over/Under

• Orioles versus Diamondbacks on April 9 has an over/under of 9.5 runs, with the odds on the over -105 and the under set at -115.

Bet on Baltimore Orioles vs. Arizona Diamondbacks on FanDuel today!

Orioles vs Diamondbacks Betting Trends

• The Orioles have won in one of the four contests they have been named as odds-on favorites in this year.
• This season Baltimore has been victorious one time in three chances when named as a favorite of at least -112 on the moneyline.
• The Orioles and their opponents have gone over in seven of their 12 games with a total set by sportsbooks this season.
• In 12 games with a line this season, the Orioles have a mark of 5-7-0 against the spread.
• The Diamondbacks are 2-1 in games they were listed as the moneyline underdog (winning 66.7% of those games).
• Arizona has played as a moneyline underdog of -104 or longer in just two games this season, which it split 1-1.
• The Diamondbacks have played in 12 games with an over/under set, and have combined with their opponents to go over the total six times (6-5-1).
• The Diamondbacks have covered 50% of their games this season, going 6-6-0 ATS.

Orioles Player Leaders

• Cedric Mullins leads Baltimore with 12 hits and an OBP of .426, plus a team-best slugging percentage of .615. He's batting .308.
• Among qualified batters in the majors, his batting average ranks 37th, his on-base percentage ranks 20th, and he is 18th in slugging.
• Adley Rutschman is batting .262 with a double, two home runs and six walks. He's slugging .429 with an on-base percentage of .354.
• Among all qualifying hitters, he is 73rd in batting average, 62nd in on-base percentage and 76th in slugging percentage.
• Rutschman has picked up at least one hit in five straight games. In his last five games he is batting .278 with three walks and an RBI.
• Tyler O'Neill is batting .314 with a .543 slugging percentage and seven RBI this year.
• Jordan Westburg is batting .256 with a .333 OBP and four RBI for Baltimore this season.

Diamondbacks Player Leaders

• Corbin Carroll has put up a team-high OBP (.407) and slugging percentage (.696), while leading the Diamondbacks in hits (14, while batting .304).
• Including all qualifying hitters, he is 42nd in batting average, while his on-base percentage is 31st and he is 10th in slugging.
• Carroll hopes to build on a three-game hitting streak in this matchup. During his last five outings he is batting .421 with two doubles, a triple, three home runs, two walks and four RBI.
• Geraldo Perdomo is batting .293 with two doubles, a home run and five walks. He's slugging .415 with an on-base percentage of .347.
• He is 49th in batting average, 66th in on-base percentage and 85th in slugging percentage in the big leagues.
• Josh Naylor has five doubles and seven walks while hitting .302.
• Eugenio Suarez is batting .150 with a double, five home runs and seven walks.

Orioles vs Diamondbacks Head to Head

• 4/8/2025: 4-3 ARI (Favorite: Orioles, Spread: -1.5, Total: 9.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 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)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!