MLB

Rockies vs Mariners

One club’s playoff push meets another’s season-long slide.

Colorado Rockies

Rockies (43-114) VS Mariners (88-69)

September 25, 2025 | 9:40 PM ET | T-Mobile Park, Seattle

Seattle Mariners
Moneyline Pick - Seattle Mariners (-210): A-

Seattle enters this interleague matchup with momentum, powered by reliable pitching and a healthier defensive alignment that supports their rotation. Their ace has historically thrived against Colorado, and the Mariners’ offensive profile this month suggests enough firepower to complement that stability on the mound. Colorado, meanwhile, continues to navigate injuries that thin both its lineup and rotation, leaving the roster without much margin for error. With postseason stakes still relevant for Seattle, the prediction tilts clearly toward the home side being better equipped to handle the moment.

From a betting standpoint, Seattle stands out as the pick, as both matchup history and current roster dynamics align in their favor. The Rockies’ inability to sustain offense on the road, paired with Seattle’s mix of timely hitting and top-end pitching, creates a notable gap. While the price may be steep, it reflects the reality of the two clubs’ divergent trajectories at this stage of the season. For bettors looking at the board, backing the Mariners offers the more stable angle in a spot that favors both form and motivation.

This prediction gets a A- grade. Odds and availability subject to change. Follow Shurzy on Instagram and Tiktok for more expert picks.

This bet was made on 09/25/2025 at 9:00am

Over/Under Pick - Under 8 (-110): B

Seattle’s rotation is well positioned to control this matchup, with a frontline arm who has historically handled Colorado’s lighter-hitting lineup and a rested bullpen ready to back him up. The Rockies, meanwhile, bring one of the least productive road offenses in baseball, averaging barely over three runs per game away from Coors Field. On the other side, while Seattle has the edge at the plate, there’s reason to believe their lineup may ease off once a cushion is built given a divisional series looming. With cool, damp weather further limiting ball carry at T-Mobile Park, the conditions favor a restrained scoring environment.

For those looking at the bet, the under stands out as the sharper pick in this spot. Seattle has the arms to dictate tempo, and Colorado’s travel fatigue paired with its weak road production makes it tough to envision a breakout. Even if the Mariners scratch across enough early to secure the win, the game flow suggests a conservative pace late. All signs point toward a modest total staying beneath the posted number, making this prediction the safer angle to back.

This prediction gets a B grade. Odds and availability subject to change. Follow Shurzy on Instagram and Tiktok for more expert picks.

This bet was made on 09/25/2025 at 9:00am

Spread Pick - Seattle Mariners, ‑1.5 (-100): B+

Seattle has been one of the most dependable teams in baseball when favored at home, often not just winning but doing so with margin. Their rotation tends to work deep into games, reducing stress on the bullpen, and the late-inning arms available are capable of overwhelming opposing lineups. Colorado, by contrast, has struggled badly in run-line spots, with its lack of consistent offense making it difficult to keep within striking distance. Combined with Seattle’s recent scoring pace, the prediction points to a contest where the home side is well-positioned to build and hold a comfortable advantage.

From a betting standpoint, the Mariners on the run line make sense as the pick. Their balanced blend of steady starting pitching, power relief, and timely hitting reduces the risk of a back-door cover, particularly against a Rockies team that has rarely cashed in these spots. With both trends and matchup logic aligned, Seattle looks like the sharper side to back for those searching for a stronger edge than the moneyline offers.

This prediction gets a B+ grade. Odds and availability subject to change. Follow Shurzy on Instagram and Tiktok for more expert picks.

This bet was made on 09/25/2025 at 9:00am

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