Today's starting pitching matchup features San Diego Padres's Walker Buehler (2-2, 5.20 ERA) against Seattle Mariners's Logan Gilbert (2-3, 3.78 ERA).

Seattle Mariners's Logan Gilbert posts an league-average 3.78 ERA this season, while Walker Buehler has been shaky at 5.20. There is a clear gap in starting pitching quality.

Advanced metrics: Walker Buehler — FIP 3.62, K% 19.6%, 36.3 IP / Logan Gilbert — FIP 3.88, K% 25.5%, 50.0 IP

2026 season record: San Diego Padres 26-18 (.591), Seattle Mariners 22-24 (.478).

San Diego Padres holds the edge in the season standings, though Seattle Mariners can't be counted out based on head-to-head matchups.

Recent form: San Diego Padres on a 1-game win streak, Seattle Mariners on a 1-game losing streak.

Based on starting pitching, Seattle Mariners holds the edge.

San Diego Padres bullpen: 13 relievers on the active roster. Key arms: Adrian Morejon (Setup) 5.32 ERA, 27K in 22.0IP, Bradgley Rodriguez 1.74 ERA, 15K in 20.2IP.

Seattle Mariners bullpen: 13 relievers on the active roster. Key arms: Alex Hoppe 5.87 ERA, 10K in 7.2IP, Andrés Muñoz (Closer) 5.29 ERA, 29K in 17.0IP, Bryan Woo 3.91 ERA, 47K in 53.0IP.

Projected win probability: San Diego Padres 42% vs Seattle Mariners 58%

Factors: Seattle Mariners's starter owns the lower ERA, Seattle Mariners's home-field advantage. Of course, baseball's inherent randomness means actual results may differ.

Workload comparison: Walker Buehler averages 4.5 IP per start vs. Logan Gilbert at 5.6 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.