Peguero (hamstring) will throw another bullpen session Tuesday before advancing to a live batting practice session Friday, Justice delos Santos of The San Jose Mercury News reports.
Birdsong allowed five earned runs on three hits, including a home run, and two walks across one-third of an inning during Saturday's 10-5 Cactus League win over the Mariners.
Schmitt (wrist) will start at third base and bat sixth during Saturday's Cactus League game against Seattle, Shayna Rubin of the San Francisco Chronicle reports.
Hentges (shoulder/knee) has been throwing 40-pitch bullpen sessions, though he has yet to face hitters and does not have an exact timeline for game action, Maria Guardado of MLB.com reports.