Today's starting pitching matchup features Washington Nationals's Miles Mikolas (1-5, 6.39 ERA) against San Francisco Giants's Logan Webb (3-4, 4.25 ERA).

San Francisco Giants's Logan Webb posts an league-average 4.25 ERA this season, while Miles Mikolas has been struggling at 6.39. There is a clear gap in starting pitching quality.

Advanced metrics: Miles Mikolas — FIP 5.90, K% 14.7%, 56.3 IP / Logan Webb — FIP 3.42, K% 20.3%, 59.3 IP

2026 season record: Washington Nationals 33-33 (.500), San Francisco Giants 27-39 (.409).

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

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

Based on starting pitching, San Francisco Giants holds the edge.

Oracle Park is widely considered one of the most pitcher-friendly venues in baseball.

Washington Nationals bullpen: 13 relievers on the active roster. Key arms: Andrew Alvarez 3.54 ERA, 22K in 20.1IP, Brad Lord (Setup) 2.45 ERA, 34K in 40.1IP, Cade Cavalli 3.88 ERA, 76K in 69.2IP.

San Francisco Giants bullpen: 13 relievers on the active roster. Key arms: Adrian Houser 5.49 ERA, 40K in 60.2IP, Caleb Kilian 3.34 ERA, 32K in 29.2IP.

Projected win probability: Washington Nationals 37% vs San Francisco Giants 63%

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

Workload comparison: Miles Mikolas averages 9.4 IP per start vs. Logan Webb at 5.9 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.

Miles Mikolas has allowed 14 HR this season — a concern against a lineup with extra-base power.

Oracle Park is classified as a pitcher-friendly park. Starter endurance becomes even more critical.