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

Odds updated as of 2:11 a.m.

MLB action on Monday includes the Baltimore Orioles facing the Arizona Diamondbacks.

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

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 (+160) | ARI: +1.5 (-194)
• Total: 8.5 -- Over: (-110) | Under: (-110)

Orioles vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: Trevor Rogers (Orioles) - 2-0, 1.89 ERA vs Ryne Nelson (Diamondbacks) - 1-1, 4.20 ERA

This contest's pitching matchup is set, as the Orioles will send Trevor Rogers (2-0) to the mound, while Ryne Nelson (1-1) will take the ball for the Diamondbacks. Rogers and his team have a record of 2-1-0 against the spread when he starts. Rogers has started three games with his team as the moneyline favorite and won each of them. When Nelson starts, the Diamondbacks have gone 2-1-0 against the spread. The Diamondbacks are 1-2 in Nelson's three starts this season that they were the underdog on the moneyline.

Orioles vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Diamondbacks win (50.6%)

Orioles vs Diamondbacks Moneyline

• Baltimore is the favorite, -130 on the moneyline, while Arizona is a +110 underdog on the road.

Orioles vs Diamondbacks Spread

• The Diamondbacks are at +1.5 on the runline against the Orioles. The Diamondbacks are -194 to cover the spread, and the Orioles are +160.

Orioles vs Diamondbacks Over/Under

• The over/under for Orioles-Diamondbacks on April 13 is 8.5. The over is -110, and the under is -110.

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

Orioles vs Diamondbacks Betting Trends

• The Orioles have been victorious in seven, or 63.6%, of the 11 contests they have been chosen as favorites in this season.
• 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 have an against the spread record of 6-9-0 in 15 games with a line this season.
• The Diamondbacks have won 41.7% of the games this season they were the moneyline underdog (5-7).
• Arizona has a 4-4 record (winning 50% of its games) when playing as a moneyline underdog of +110 or longer.
• The Diamondbacks have had an over/under set by bookmakers 16 times, and have combined with opponents to go over the total in nine of those games (9-6-1).
• The Diamondbacks have covered 81.2% of their games this season, going 13-3-0 ATS.

Orioles Player Leaders

• Gunnar Henderson has 15 hits, which leads 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, he ranks 89th in batting average, his on-base percentage ranks 76th, and he is 16th in slugging.
• Henderson hopes to build on a six-game hitting streak in this matchup. In his last 10 outings he is hitting .268 with two doubles, five home runs, seven walks and eight RBIs.
• Taylor Ward has a slash line of .356/.443/.525 this season and a team-best OPS of .968.
• He is fifth in batting average, 10th in on-base percentage and 34th in slugging in the majors.
• Dylan Beavers has collected nine base hits, an OBP of .317 and a slugging percentage of .361 this season.
• Pete Alonso is batting .190 with a .288 OBP and five RBI for Baltimore this season.

Diamondbacks Player Leaders

• Corbin Carroll has put up a team-best OBP (.414) and slugging percentage (.653), while leading the Diamondbacks in hits (16, while batting .327).
• He ranks 16th in batting average, 19th in on-base percentage and sixth in slugging percentage among all qualified hitters in MLB.
• Geraldo Perdomo has two doubles, a home run and 10 walks while batting .157. He's slugging .255 with an on-base percentage of .286.
• He is currently 167th in batting average, 133rd in on-base percentage and 162nd in slugging percentage among all qualified hitters.
• Ildemaro Vargas is hitting .394 with three doubles, a triple, a home run and two walks.
• Ketel Marte has two doubles, two home runs and six walks while hitting .197.

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