Warren (elbow) will throw a 30-pitch bullpen session Friday, Maria I. Guardado of MLB.com reports.
Warren (elbow) was placed on the 60-day injured list Sunday, Maria I. Guardado of MLB.com reports.
Warren (elbow) agreed to a one-year contract with the Giants on Wednesday, Maria I. Guardado of MLB.com reports.
Warren (elbow) was released by the Angels on Thursday.
Warren (elbow) was designated for assignment by the Angels on Wednesday.
The Angels transferred Warren (elbow) from the 15-day injured list to the 60-day IL on Sunday.
Warren underwent surgery on his right elbow May 17, per MLB.com.
Warren (elbow) will require Tommy John surgery, Sam Blum of The Athletic reports.
The Angels placed Warren on the 15-day injured list Wednesday with right elbow discomfort, Jeff Fletcher of The Orange County Register reports.
Warren was called up to the majors by the Angels on Friday, Rhett Bollinger of MLB.com reports.