49ers free agency: QB Brandon Allen, Joe Burrow's backup, signs with SF - Niners Nation
Bengals backup QB Brandon Allen leaves game with concussion - ESPN
Rams agree to terms with Joe Noteboom, Brian Allen - Los Angeles Times
Brandon Allen brings a veteran presence to the Bengals quarterback room.
Brandon Allen (knee) misses second-straight practice, Joe Mixon (foot) update
How Brandon Allen went from quarantine quarterback to the primary backup for Joe Burrow
49ers signing former Bengals QB Brandon Allen
Former Cincinnati Bengals QB Brandon Allen is Signing With San Francisco 49ers - Sports Illustrated Cincinnati Bengals News, Analysis and More
Source: Brandon Allen, 49ers agree to contract terms; QB to sign next week – NBC Sports Bay Area & California