Seattle Mariners vs Pittsburgh Pirates: Picks, Predictions and Props - 6/25/2026
Use Code WWWC The Seattle Mariners look to bounce back at PNC Park on June 25th as they wrap up their series against the Pittsburgh Pirates, and we have your complete betting preview, game picks, and top player props ready for this afternoon matchup.
Best Available Odds for Mariners vs Pirates
- Best Moneyline Odds: Seattle Mariners (-135) / Pittsburgh Pirates (+130)
- Best Spread Odds: Seattle Mariners -1.5 (+120) / Pittsburgh Pirates +1.0 (-108)
- Best Total Odds: Over 8.5 (-107) / Under 8.5 (-105)
Game Info
- Date: June 25, 2026
- Time: 12:35 PM EDT
- Location: PNC Park, Pittsburgh, PA
Seattle Mariners vs Pittsburgh Pirates Preview
The Seattle Mariners (41-40) and Pittsburgh Pirates (40-40) meet for the final game of their series following a lopsided Wednesday night affair. Pittsburgh dominated the previous game in an 11-1 blowout, powered by a 15-hit attack and a stellar pitching performance from Braxton Ashcraft. The Mariners will look to steady the ship and maintain their position atop the AL West, while the Pirates aim to climb above the .500 mark in front of their home crowd. Pittsburgh first baseman Spencer Horwitz left Wednesday's game with left hamstring discomfort and is considered day-to-day, so bettors should verify the starting lineups before game time.
Pitching Matchup
The Seattle Mariners will send right-hander Bryce Miller (3-1, 1.58 ERA) to the mound. Miller has been exceptional this season, posting a microscopic ERA and a 0.70 WHIP. Against the current Pittsburgh Pirates roster, Miller has limited experience but has been highly effective, holding opposing hitters to a combined .130 batting average (3-for-23) with 10 strikeouts and just one walk. Specifically, Ryan O'Hearn is 2-for-13 (.154 BA) with four strikeouts, Brandon Lowe is 1-for-5 (.200 BA) with three strikeouts, and Marcell Ozuna is 0-for-5 with three strikeouts against him.
The Pittsburgh Pirates counter with right-hander Bubba Chandler (2-7, 4.62 ERA). Chandler has struggled with consistency, as evidenced by his record and a 1.378 WHIP. He has never faced any players on the current Seattle Mariners roster, meaning he will be relying on scouting reports to navigate this lineup for the first time.
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Game Thesis: I expect the Seattle Mariners to win a low-scoring, tightly contested game. Bryce Miller's elite form and dominant track record against the few Pirates who have faced him should keep the Pittsburgh offense in check, especially with key infielder Spencer Horwitz banged up. While Bubba Chandler's unfamiliarity could pose a brief challenge, the Mariners' pitching advantage will ultimately carry them to a close victory.
Best Bet - Moneyline Pick: Seattle Mariners (-135)
The Seattle Mariners are the strongest play on the board at -135. Bryce Miller gives Seattle a massive starting pitching advantage over Bubba Chandler, who has struggled to a 4.62 ERA and a 2-7 record. Miller's 1.58 ERA and 0.70 WHIP should stifle a Pirates lineup that exploded yesterday but faces a much tougher assignment today. Seattle's pitching depth will prevent another blowout and secure a bounce-back win.
Spread Pick: Pittsburgh Pirates +1.0 (-108)
While the Mariners are expected to win, the Pirates +1.0 run line at -108 is a sensible lean for a close game. Bryce Miller's presence suggests a low-scoring environment where runs will be at a premium. In a tight, low-scoring game flow, the Pirates are highly capable of keeping this within a single run at home, making the +1.0 spread a strong defensive position.
Total Pick: Under 8.5 (-105)
The Under 8.5 at -105 aligns perfectly with the expectation of a dominant outing from Bryce Miller. Miller has allowed very little traffic on the basepaths this season, and his 41.7% career strikeout rate against current Pirates batters indicates he can navigate out of trouble. Expect Seattle's pitching to dictate the tempo and keep this game well under the total.
Top Player Prop Picks for Mariners vs Pirates
Marcell Ozuna Under 0.5 Bases (+103): Ozuna has struggled mightily in his limited career matchups against Bryce Miller, going 0-for-5 with three strikeouts. With Miller's elite 1.58 ERA and 0.70 WHIP on display, Ozuna is highly likely to stay under his bases prop today.
Bryce Miller Under 4.5 Hits Allowed (+107): Miller has been incredibly stingy this season, staying under this line in 5 of his last 10 starts while averaging just 3.29 hits allowed per game. Against a Pirates lineup he has historically dominated, Miller should easily keep the hits to a minimum.
Brandon Lowe Under 0.5 Hits (+150): Lowe has found very little success against Bryce Miller in his career, managing just one hit in five at-bats while striking out three times (a 50% strikeout rate). Facing a pitcher in peak form, Lowe is a strong candidate to go hitless this afternoon.
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