Pirates vs Mariners MLB Player Prop Picks (Jul 5)

The Pittsburgh Pirates (38–50) look to snap a losing streak as they continue their series against the Seattle Mariners (49–39) on Saturday night. First pitch is scheduled for 10:10 p.m. ET. Seattle dominated Game 1 behind pitching and power, and sends ace Luis Castillo to the mound. Pittsburgh counters with improving right-hander Mike Burrows, who has posted solid June numbers despite limited offensive support.

• Mariners favored at –175; total sits around 7.5 runs.
• Castillo owns a 3.55 ERA and 79 strikeouts in 96.1 innings.
• Burrows has a 2.73 ERA since June but low run support.

Pittsburgh Pirates Player Prop Pick: Mike Burrows

Pittsburgh’s rotation features promising arms like Mitchell Parker and Mike Burrows, showing sub-4.00 ERAs in recent outings. Defensively, they rank mid-table in defensive runs saved but their offense averages just 3.48 runs per game, one of the poorest in MLB. They rely on pitching and defense to keep games close.

• Posted four straight outings with 3 or fewer ER in June.
• Seattle’s power lineup is efficient, not slug-heavy.
• Pittsburgh’s defense supports his ability to keep runs down.

Seattle Mariners Player Prop Pick: Luis Castillo

Seattle’s pitching staff ranks top five in team ERA, led by Castillo and backed by Bryan Woo and Bryce Miller. The lineup features power threats like Cal Raleigh (35 HR) and high-contact hitters in the middle of the order. Their bullpen ranks in the top third for ERA, making them a balanced team capable of closing out games.

• Averages 7.4 K/9, totaling 79 Ks in 96 innings.
• Pirates’ strikeout-heavy lineup makes him efficient.
• Expected to go 6+ innings—well positioned to exceed 6 Ks.