Seattle Mariners vs San Diego Padres Picks and Predictions for Wednesday, April 15, 2026
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The Seattle Mariners visit the San Diego Padres at Petco Park on Wednesday, April 15 at 9:40 PM ET on MLB.TV. Seattle is 8-9, fourth in the AL West, while San Diego is 10-6 and second in the NL West. The Mariners won 6-2 over the Astros in their most recent game, while the Padres beat the Rockies 7-2. This is the second game of a three-game series between the teams. Cash a winning ticket with our free MLB picks.
Seattle Mariners Preview
The Mariners are coming off a 6-2 win over Houston and have now won four straight. Seattle has been playing its best baseball of the season during this stretch, behind strong pitching results and timely hitting.
Seattle is hitting just .208 as a team with a .316 on-base percentage and .342 slugging percentage, so overall production has been limited. However, Luke Raley has provided power with three home runs and 10 RBI, while Brendan Donovan is hitting .311 with a .429 OBP. The lineup has not been dominant but has delivered in key moments during this winning streak.
Pitching has been the strength. Seattle has a 2.95 ERA and 1.04 WHIP, allowing a .225 opponent average with 148 strikeouts. The staff has limited baserunners and controlled innings effectively, which has allowed the Mariners to win even without consistent offensive output.
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Injuries: Miles Mastrobuoni, 10-Day IL, Victor Robles, 10-Day IL, Bryce Miller, 15-Day IL, Teddy McGraw, Out, Carlos Vargas, 60-Day IL
San Diego Padres Preview
The Padres are coming off a 7-2 win over Colorado and have now won five straight. San Diego has been one of the more consistent teams early in the season, combining steady pitching with enough offense to maintain control of games.
San Diego is hitting .227 with a .308 on-base percentage and .386 slugging percentage. Ramon Laureano leads the team with four home runs and 11 RBI, while Manny Machado has provided a .391 OBP. The lineup has been balanced, with multiple players contributing rather than relying on one primary bat.
On the mound, the Padres have a 3.41 ERA and 1.21 WHIP, allowing a .236 opponent average. The pitching staff has been effective at limiting damage and has supported the offense by keeping games within reach late. That balance has been key during the current winning streak.
Injuries: Yuki Matsui, 15-Day IL, Sung-Mun Song, 10-Day IL, Matt Waldron, 15-Day IL, Blake Hunt, 7-Day IL, Nick Pivetta, Day-To-Day
Pitching Matchup
Seattle Mariners – Emerson Hancock
Hancock is 2-1 with a 2.04 ERA and 0.74 WHIP over 17.2 innings. He has allowed just 10 hits with 19 strikeouts and three walks.
San Diego Padres – Randy Vasquez
Vasquez is 1-0 with a 1.02 ERA and 1.08 WHIP across 17.2 innings. He has allowed one home run and has limited scoring effectively.
Seattle Mariners vs San Diego Padres Prediction
This matchup will be closely contested with both teams playing well, but San Diego has the slight edge due to more consistent offensive production. Seattle’s pitching keeps them competitive, but the Padres have shown a better ability to generate runs across multiple innings. With both starters in good form, this could remain tight, but San Diego will take a late lead and win at home. Final Score Prediction: San Diego Padres win 4-3.
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