Today's starting pitching matchup features San Francisco Giants's Robbie Ray (2-3, 2.70 ERA) against Tampa Bay Rays's Shane McClanahan (2-2, 3.91 ERA).

San Francisco Giants's Robbie Ray posts an solid 2.70 ERA this season, while Shane McClanahan has been league-average at 3.91. There is a clear gap in starting pitching quality.

Advanced metrics: Robbie Ray — FIP 4.21, K% 25.9%, 33.3 IP / Shane McClanahan — FIP 3.19, K% 24.8%, 23.0 IP

2026 season record: San Francisco Giants 13-18 (.419), Tampa Bay Rays 18-12 (.600).

Tampa Bay Rays 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 3-game losing streak, Tampa Bay Rays on a 1-game losing streak.

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

San Francisco Giants bullpen: 13 relievers on the active roster. Key arms: Adrian Houser 7.12 ERA, 16 K in 30.1 IP, Caleb Kilian 0.64 ERA, 16 K in 14.0 IP, Erik Miller 3.18 ERA, 17 K in 11.1 IP.

Tampa Bay Rays bullpen: 13 relievers on the active roster. Key arms: Bryan Baker (Closer) 3.18 ERA, 13 K in 11.1 IP, Casey Legumina 4.26 ERA, 9 K in 12.2 IP, Cole Sulser 3.24 ERA, 13 K in 16.2 IP.

Projected win probability: San Francisco Giants 53% vs Tampa Bay Rays 47%

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

Workload comparison: Robbie Ray averages 5.6 IP per start vs. Shane McClanahan at 4.6 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.