The Broncos signed Prentice to the practice squad Thursday, Aric DiLalla of the team's official site reports.
EDGE Analysis
Prentice will stick around in Denver on the practice squad after failing to make the 53-man roster Tuesday. With fellow fullback Michael Burton (hamstring) set to miss the entire season after being placed on IR, Prentice could see some time on the active roster this season as a backfield blocker.