The Matchup Report

Seattle Mariners vs Pittsburgh Pirates Prediction (June 24): Odds, Pick & Analysis

ER

Evan Roberts

June 24, 2026 · 1:07 PM EDT
MLB
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PNC Park — Seattle Mariners at Pittsburgh Pirates

Seattle Mariners vs Pittsburgh Pirates · June 24, 2026 · 6:40 PM EDT · Photo: ESPN

The pitching advantage tilts toward Pittsburgh in this matchup. Braxton Ashcraft arrives with a 3.18 ERA across six wins and three losses, presenting a more efficient resume than Seattle's Bryan Woo, who carries a 3.94 ERA despite matching Ashcraft's win total at six victories against five defeats. Ashcraft's superior ERA suggests better command and run prevention, a critical edge in a contest where both offenses have shown vulnerability this season.

Tonight's Odds

MONEYLINE
Seattle Mariners-102
Pittsburgh Pirates-116
RUN LINE
Seattle Mariners -1.5+164
Pittsburgh Pirates +1.5-200
OVER/UNDER
Over 7.5-124
Under 7.5+102

Probable Pitchers

Seattle Mariners

Bryan Woo

Record6-5
ERA3.94
VS

Pittsburgh Pirates

Braxton Ashcraft

Record6-3
ERA3.18

Pittsburgh's lineup has generated 393 runs on a .255 team batting average, accumulating 697 hits through the campaign. The Pirates' 4.16 team ERA reflects some inconsistency on the mound, yet their offensive output demonstrates enough punch to support a starting pitcher performing at Ashcraft's level. With 39 wins and 40 losses, the Pirates sit precariously close to .500, but their run production provides a foundation for success against a Mariners rotation that has posted a 3.59 ERA overall.

Seattle's offense presents a significant concern heading into PNC Park. The Mariners rank among baseball's weaker hitting teams with a .232 average and just 329 runs scored on 614 hits. That offensive drought creates a precarious situation when relying on any starting pitcher, even one like Woo who has maintained respectable numbers. At 41-39, the Mariners possess a marginal record advantage, but their ability to manufacture runs remains suspect.

The contrast in offensive firepower becomes the decisive factor here. Pittsburgh's 64-run advantage in total scoring and 83-hit edge reflect a team that can better support its pitcher on any given night. While Woo's 3.94 ERA keeps Seattle competitive, the Mariners' anemic offense has struggled to cross the plate consistently, a liability that compounds when facing a pitcher of Ashcraft's caliber. Pittsburgh's defense, despite 51 errors compared to Seattle's 39, hasn't prevented the Pirates from winning games through superior run production.

The betting market reflects this imbalance, with Pittsburgh favored at -116 to Seattle's -102. The Pirates' moneyline represents appropriate value given their offensive advantages and Ashcraft's pitching edge. The over/under sits at 7.5, a number that appears vulnerable to the under given both teams' offensive limitations relative to league averages, though Pittsburgh's run-scoring ability provides some cushion.

Pittsburgh's path to victory runs through exploiting Seattle's offensive deficiencies while Ashcraft manages the game from the mound. The Pirates have demonstrated they can score runs at a higher rate, and that production advantage, combined with Ashcraft's superior ERA, makes them the logical choice in this matchup. Back the Pirates on the moneyline.

Best Bet

Pittsburgh Pirates (-116)

Based on the matchup analysis, recent form, and line value, Pittsburgh Pirates (-116) is our top play for this game.

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