Orioles vs Diamondbacks Prediction, Odds, Moneyline, Spread & Over/Under for April 13

Odds updated as of 6:12 p.m.

Monday's slate in the MLB includes a matchup between the Baltimore Orioles and the Arizona Diamondbacks.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's everything you need to know.

Orioles vs Diamondbacks Game Info

• Baltimore Orioles (8-7) vs. Arizona Diamondbacks (9-7)
• Date: Monday, April 13, 2026
• Time: 6:35 p.m. ET
• Venue: Oriole Park at Camden Yards -- Baltimore, Maryland
• Coverage: MASN and Dbacks.TV

Orioles vs Diamondbacks Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: BAL: (-130) | ARI: (+110)
• Spread: BAL: -1.5 (+162) | ARI: +1.5 (-196)
• Total: 9 -- Over: (-105) | Under: (-115)

Orioles vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: Dean Kremer (Orioles) - 0-0, 0.00 ERA vs Ryne Nelson (Diamondbacks) - 1-1, 4.20 ERA

The probable pitchers are Dean Kremer for the Orioles and Ryne Nelson (1-1) for the Diamondbacks. In 29 games he pitched with a spread last season, Kremer and his team finished with a 15-14-0 record ATS. Kremer appeared in 13 games last season as the moneyline favorite and his team finished with a record of 6-7 in those contests. The Diamondbacks have a 2-1-0 record against the spread in Nelson's starts. The Diamondbacks are 1-2 in Nelson's three starts this season that they were the moneyline underdog.

Orioles vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Diamondbacks win (54%)

Orioles vs Diamondbacks Moneyline

• Looking at the moneyline for Diamondbacks-Orioles, Arizona is the underdog at +110, and Baltimore is -130 playing at home.

Orioles vs Diamondbacks Spread

• The Orioles are 1.5-run home favorites on the runline against the Diamondbacks. The Orioles are +162 to cover, and the Diamondbacks are -196.

Orioles vs Diamondbacks Over/Under

• A total of 9 runs has been set for the Orioles-Diamondbacks contest on April 13, with the over available at -105 and the under at -115.

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Orioles vs Diamondbacks Betting Trends

• The Orioles have been chosen as favorites in 11 games this year and have walked away with the win seven times (63.6%) in those games.
• This season Baltimore has come away with a win five times in six chances when named as a favorite of at least -130 on the moneyline.
• The Orioles and their opponents have gone over in eight of their 15 games with a total set by sportsbooks this season.
• The Orioles are 6-9-0 against the spread in their 15 games that had a posted line this season.
• The Diamondbacks have won 41.7% of the games this season they were the moneyline underdog (5-7).
• Arizona has a record of 4-4 in games it has played as a moneyline underdog with odds of +110 or longer (50%).
• The Diamondbacks have combined with opponents to go over the total nine times this season for a 9-6-1 record against the over/under.
• The Diamondbacks have a 13-3-0 record against the spread this season.

Orioles Player Leaders

• Gunnar Henderson has 15 hits, which is best among Baltimore hitters this season, while batting .242 with nine extra-base hits. He has an on-base percentage of .338 and a slugging percentage of .581.
• Among all qualifying hitters in MLB, he ranks 89th in batting average, 76th in on-base percentage, and 16th in slugging.
• Henderson will look for his seventh straight game with a hit in this contest. During his last 10 games he is hitting .268 with two doubles, five home runs, seven walks and eight RBIs.
• Taylor Ward leads the Orioles with an OPS of .968. He has a slash line of .356/.443/.525 this season.
• Among qualifying hitters, he ranks fifth in batting average, ninth in on-base percentage and 34th in slugging percentage.
• Dylan Beavers has nine hits this season and has a slash line of .250/.317/.361.
• Pete Alonso is batting .190 with a .288 OBP and five RBI for Baltimore this season.

Diamondbacks Player Leaders

• Corbin Carroll has an on-base percentage of .414, a slugging percentage of .653, and has 16 hits, all club-bests for the Diamondbacks (while batting .327).
• Including all qualifying hitters in the majors, he ranks 16th in batting average, 19th in on-base percentage and sixth in slugging percentage.
• Geraldo Perdomo is hitting .157 with two doubles, a home run and 10 walks. He's slugging .255 with an on-base percentage of .286.
• His batting average is 167th among all qualified players, his on-base percentage ranks 133rd, and he is 162nd in slugging.
• Ildemaro Vargas has three doubles, a triple, a home run and two walks while batting .394.
• Ketel Marte is batting .197 with two doubles, two home runs and six walks.

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