Seattle Mariners vs Chicago White Sox
South Side slump meets hot Northwest arms—guess who cashes

Mariners (27-19) VS White Sox (14-34)
May 21, 2025 | 2:10 PM ET | Guaranteed Rate Field, Chicago

The Mariners enter this matchup having won four of their last five games, benefiting from strong team momentum and facing a White Sox squad siting comfortably at the bottom of the American League. The White Sox continue to operate with a shorthanded roster, and their struggles against right-handed pitching remain a significant concern. The bullpen for Chicago has also been a weak spot, repeatedly failing to protect leads, while the Mariners’ relief corps has provided reliable support for their starters, resulting in a run of scoreless innings.
Given the trends on both sides—Seattle’s overall health and recent performance contrasted with Chicago’s continued roster absences and late-inning bullpen troubles—the current line still offers solid value. The combination of matchup history and recent play justifies a confident A- minus grade for this pick. This is the kind of bet you feel good about placing, especially considering how the White Sox have looked lately.
Odds and availability are subject to change. This bet was made at 21/05/2025 09:40
The Mariners send a top starter to the mound, supported by a bullpen that has been one of the best in baseball by ERA, while the White Sox enter the game with a lineup that has struggled to produce runs during a notable losing streak and continues to deal with key offensive absences. On the other side, Chicago’s starting pitcher has performed well this season, limiting opposing hitters in key matchups and further lowering expectations for a high-scoring affair.
With both teams facing lineup challenges—particularly Chicago, given ongoing injuries—and dominant pitching likely to control the pace, the under looks like a smart bet here. This isn’t the type of game where either offense is expected to break out, and even one late mistake by the bullpens would be needed to push this one over.
Odds and availability are subject to change. This bet was made at 21/05/2025 09:40
The Mariners have found plenty of success against the White Sox lately, coming into this matchup with strong momentum and good recent form. The White Sox, meanwhile, are stuck in a tough season, dealing with roster absences and lacking much offensive firepower. Seattle’s starting pitching has consistently performed well in this matchup, further tilting the odds in their favor as they look to extend their run.
Given the direction both teams are heading, backing the Mariners to cover the run line feels like a smart play. The White Sox haven’t shown signs of turning things around, and with the Mariners staying hot, this pick has plenty of appeal for bettors looking to ride the wave.
Odds and availability are subject to change. This bet was made at 21/05/2025 09:40
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