Arizona Diamondbacks vs Baltimore Orioles Picks and Predictions for Monday, April 13, 2026

By: David Anicetti Published 04/13/2026, 12:05 AM ET
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The Arizona Diamondbacks visit the Baltimore Orioles at Oriole Park at Camden Yards on Monday, April 13, at 6:35 PM ET on MLB.TV. Arizona is 8-7, third in the NL West, while Baltimore is 7-7 and tied for second in the AL East. The Diamondbacks lost 4-3 to the Phillies in their most recent game, while the Orioles beat the Giants 6-2. This game opens a three-game series between the teams. Cash in a winner with our free MLB picks.

Arizona Diamondbacks Outlook

The Diamondbacks lost 4-3 to Philadelphia in their most recent game, but had won three of their previous four before that. Arizona has been competitive early in the season by keeping games close and getting contributions across the lineup rather than relying on one player.

Corbin Carroll leads the offense with a .311 average, two home runs, and 11 RBI, while Ketel Marte has added seven RBI. Arizona is hitting .223 as a team with a .285 on-base percentage and .363 slugging percentage, so run production has been limited overall. The lineup has been able to generate timely hits but has not consistently produced across multiple innings.

Arizona has been more reliable on the mound. The Diamondbacks have a 3.67 ERA and 1.20 WHIP while holding opponents to a .227 average. That pitching has kept games within reach and allowed the team to stay competitive despite modest offensive output.

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Injuries: Pavin Smith, 10-Day IL, Merrill Kelly, 15-Day IL, Carlos Santana, 10-Day IL, Gabriel Moreno, Out, Lourdes Gurriel Jr., 10-Day IL

Baltimore Orioles Outlook

The Orioles beat San Francisco 6-2 in their most recent game and have won four of their last five. Baltimore has started to find more consistency after an inconsistent opening stretch, with both the offense and pitching showing improvement.

Gunnar Henderson leads the team with six home runs and 12 RBI, while Taylor Ward is hitting .345 with a .431 on-base percentage. Adley Rutschman is also contributing with a .294 average. Baltimore is hitting .243 as a team with a .330 OBP and .378 slugging percentage, giving the lineup more depth than Arizona entering this matchup.

On the mound, Baltimore has a 3.87 ERA and 1.39 WHIP with 120 strikeouts. The staff has shown the ability to make hitters swing and miss or not make strong contact, but has allowed more baserunners than Arizona. Limiting walks will be important in maintaining control of the game.

Injuries: Ryan Mountcastle, Day-To-Day, Tyler O'Neill, Day-To-Day, Jackson Holliday, 10-Day IL, Andrew Kittredge, 15-Day IL, Hans Crouse, 7-Day IL

Pitching Matchup

Arizona Diamondbacks – Ryne Nelson

Nelson is 1-1 with a 4.20 ERA and 1.07 WHIP over 15.0 innings, allowing 10 hits with 12 strikeouts and six walks.

Baltimore Orioles – Trevor Rogers

Rogers is 2-0 with a 1.89 ERA and 1.05 WHIP across 19.0 innings and has not allowed a home run this season.

Arizona Diamondbacks vs Baltimore Orioles Prediction

Baltimore has the advantage with stronger recent form, a deeper lineup, and the more reliable starting pitcher in this matchup. Rogers has limited runs effectively and gives the Orioles control if the game stays in a lower-scoring range. Arizona’s pitching can keep this close, but the Orioles are more likely to generate enough offense over nine innings to take the lead and hold it. Final Score Prediction: Baltimore Orioles win 5-3.

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