San Francisco Giants vs Pittsburgh Pirates Preview
Today's Starting Matchup
Today's starting pitching matchup features San Francisco Giants's Landen Roupp (8-13, 4.25 ERA) against Pittsburgh Pirates's Bubba Chandler (6-9, 4.26 ERA).
Both starters carry similar ERAs, setting the stage for a potential pitchers' duel. WHIP: Landen Roupp 1.31, Bubba Chandler 1.36.
Advanced metrics: Landen Roupp — FIP 3.74, K% 22.4%, 139.7 IP / Bubba Chandler — FIP 4.10, K% 20.6%, 131.0 IP
Team Season Comparison
2026 season record: San Francisco Giants 57-82 (.410), Pittsburgh Pirates 68-71 (.489).
Pittsburgh Pirates holds the edge in the season standings, though San Francisco Giants can't be counted out based on head-to-head matchups.
Run differential: San Francisco Giants -71, Pittsburgh Pirates +27. Both clubs are evenly matched in run production.
Recent form: San Francisco Giants on a 1-game losing streak, Pittsburgh Pirates on a 3-game win streak.
Based on starting pitching, San Francisco Giants holds the edge.
Bullpen Analysis
San Francisco Giants bullpen: 14 relievers on the active roster. Key arms: Anthony Molina 3.77 ERA, 9K in 14.1IP, Blade Tidwell 4.54 ERA, 31K in 37.2IP.
Pittsburgh Pirates bullpen: 14 relievers on the active roster. Key arms: Brandon Eisert 6.29 ERA, 40K in 34.1IP, Braxton Ashcraft 3.59 ERA, 164K in 160.1IP, Bubba Chandler 4.26 ERA, 117K in 131.0IP.
Win Probability
Projected win probability: San Francisco Giants 48% vs Pittsburgh Pirates 52%
Factors: San Francisco Giants's starter owns the lower ERA, Pittsburgh Pirates's home-field advantage. Of course, baseball's inherent randomness means actual results may differ.
Key Tactical Points
Workload comparison: Landen Roupp averages 5.4 IP per start vs. Bubba Chandler at 5.2 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.
Landen Roupp has allowed 11 HR this season — a concern against a lineup with extra-base power.