Bochy has not yet decided who would start a potential Game 4 or 5, but Peavy pitching on short rest is an option. The Giants also have pitcher Yusmeiro Petit.
San Francisco advanced to the NLDS after an 8-0 shutout of the Pirates Wednesday night in the NL Wild Card game. The Giants will now face the Washington Nationals, who won the NL East, in the best-of-five series.
Bumgarner pitched a complete-game shutout against Pittsburgh, striking out 10 and giving up just four hits.
Peavy will pitch opposite Washington's Steven Strasburg, while Hudson will face Jordan Zimmermann. Zimmermann threw a no-hitter on the final day of the season. The Nationals will start Doug Fister against Bumgarner in Game 3.
Game 1 will begin at 3:07 p.m. EST Friday.
The other NLDS features the St. Louis Cardinals versus the Los Angeles Dodgers.
- Molly Geary