San Diego Padres vs Seattle Mariners Picks and Predictions for Sunday, May 17, 2026
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Padres vs Mariners Game Information
The San Diego Padres will wrap a 3-game series Sunday night at 7:20 PM inside T-Mobile Park in Seattle, WA, against the Seattle Mariners. San Diego has 27 wins and 18 losses this season, coming into Sunday having won 3 of the last 4, including both games in this series after their win on Saturday. The Seattle Mariners stay home Sunday with 22 wins and 25 losses, having lost 3 of the last 5, including 2 in a row. Stay in the news with our MLB Picks.
Padres Preview
Offensively, San Diego has been mediocre this season, with a .223 batting average. The Padres have scored 180 runs on 322 hits. San Diego has a .294 OBP and a .363 team slugging percentage. The San Diego pitching staff has been shaky this season, with a 4.04 team ERA, but the Padres have allowed only 5 runs over their last 3 wins. Xander Bogaerts leads the San Diego offense this season with a .263 batting average, 7 home runs, and 23 RBI's.
Mariners Preview
The Seattle Mariners offense has been well below average this season, with a .232 batting average, and they have scored 191 runs on 353 hits. Seattle had a .321 OBP and a .33 team slugging percentage. Seattle pitching has been the team's biggest strength, with a 3.58 team ERA, but the Mariners have allowed 13 runs over their last 3 losses. Luke Raley leads Seattle this season with 10 home runs and 27 RBI's. Randy Arozarena leads the Mariners with a .306 batting average this season.
Padres vs Mariners Pitching Matchup
Lucas Giolito will be on the mound Sunday for Seattle, making his regular-season debut. Last season Giolito finished the year with a 10-4 record and a 3.41 ERA across 145 innings in 26 starts. George Kirby will counter for the Mariners. Kirby is 5-2 with a 2.84 ERA through 57 innings this year.
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Padres vs Mariners Sox Pick
The San Diego Padres have the better record in this matchup on Sunday, but Seattle will have the edge. Look for the Mariners to salvage the series Sunday as they do the work to get a needed victory against San Diego. Look for the Manners to ride their pitcher and better offense Sunday, backed by their home fans, resulting in their 23rd victory of the season.
- Pick: Seattle Mariners -163
- Secondary: Over 7.5
- Lean: Randy Arozarena Over 1.5 Bases
Final Score Prediction: Seattle Mariners win 7-3.
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