Today's starting pitching matchup features San Francisco Giants's Adrian Houser (1-4, 5.79 ERA) against Oakland Athletics's Jeffrey Springs (3-3, 4.22 ERA).

Oakland Athletics's Jeffrey Springs posts an league-average 4.22 ERA this season, while Adrian Houser has been struggling at 5.79. There is a clear gap in starting pitching quality.

Advanced metrics: Adrian Houser — FIP 5.62, K% 12.2%, 42.0 IP / Jeffrey Springs — FIP 4.20, K% 21.4%, 49.0 IP

2026 season record: San Francisco Giants 19-27 (.413), Oakland Athletics 23-22 (.511).

Oakland Athletics holds the edge in the season standings, though San Francisco Giants can't be counted out based on head-to-head matchups.

Recent form: San Francisco Giants on a 1-game win streak, Oakland Athletics on a 1-game losing streak.

Based on starting pitching, Oakland Athletics holds the edge.

San Francisco Giants bullpen: 13 relievers on the active roster. Key arms: Adrian Houser 5.79 ERA, 23K in 42.0IP, Caleb Kilian 1.80 ERA, 21K in 20.0IP, Erik Miller 4.50 ERA, 18K in 12.0IP.

Oakland Athletics bullpen: 13 relievers on the active roster. Key arms: Aaron Civale 2.70 ERA, 35K in 46.2IP, Hogan Harris (Setup) 2.45 ERA, 24K in 22.0IP, J.T. Ginn 3.12 ERA, 34K in 43.1IP.

Projected win probability: San Francisco Giants 41% vs Oakland Athletics 59%

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

Workload comparison: Adrian Houser averages 5.3 IP per start vs. Jeffrey Springs at 5.4 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.