MLB
San Francisco Giants
42-57 ·4th in NL West ·L2
19 new today
Affiliate links — we may earn a commission.
Learn more
More San Francisco Giants pages
San Francisco Giants Probable Pitchers
Today: Trevor McDonald (3-7, 5.02 ERA, RHP) vs Michael Wacha (5-7, 3.77 ERA, RHP)
Probable starters for the next 5 San Francisco Giants games, with season record and ERA. Probables can change on short notice — this page refreshes automatically throughout the day. Updated July 20, 2026 1:53 PM PT.
Upcoming Pitching Matchups
| Date | Matchup | San Francisco Giants Starter | Opposing Starter | First Pitch |
|---|---|---|---|---|
| Mon, Jul 20 | at Kansas City Royals | Trevor McDonald (3-7, 5.02 ERA, RHP) | Michael Wacha (5-7, 3.77 ERA, RHP) | 4:40 PM PT |
| Tue, Jul 21 | at Kansas City Royals | Tyler Mahle (2-8, 5.31 ERA, RHP) | Luinder Avila (4-3, 5.08 ERA, RHP) | 4:40 PM PT |
| Wed, Jul 22 | at Kansas City Royals | Landen Roupp (7-8, 3.98 ERA, RHP) | Seth Lugo (3-6, 4.39 ERA, RHP) | 11:10 AM PT |
| Fri, Jul 24 | vs Los Angeles Angels | TBD | TBD | 7:15 PM PT |
| Sat, Jul 25 | vs Los Angeles Angels | TBD | TBD | 1:05 PM PT |
TBD means the club hasn't announced a starter yet — most teams confirm 1–3 days ahead.
Frequently Asked Questions
Who is pitching for the San Francisco Giants today?
Trevor McDonald (3-7, 5.02 ERA, RHP) starts for the San Francisco Giants today at the Kansas City Royals, first pitch 4:40 PM PT.
When do the San Francisco Giants announce their starting pitcher?
MLB clubs typically confirm probable starters one to three days before a game. Starters listed as TBD have not been announced yet; this page updates automatically once they are.
More San Francisco Giants: Game Today · Schedule · Where to Watch · Latest News
