Case Keenum is the Browns' 31st starting quarterback since 1999 - NBC Sports
Cleveland Browns - Wikipedia
Cleveland Browns Starting Quarterbacks Since 1999
Cleveland Browns - Wikipedia
List of Denver Broncos starting quarterbacks - Wikipedia
Josh Rosen News, Photos, Quotes, Video
NFL on ESPN - The Browns have had a league high 24 starting QBs since 1999. Here's the full list.
Cleveland Browns - Wikipedia
Cleveland Browns - Wikipedia
Cleveland Browns - Wikipedia