Eric Crocker of "Locked on 49ers" podcast chats the signing of Alfred Collins & the showdown between Jauan Jennings and the 49ers

Eric Crocker of "Locked on 49ers" podcast chats the signing of Alfred Collins &amp; the showdown between Jauan Jennings and the 49ers

Catch Dirty Work with Adam Copeland & Derek Papa every weekday from 2 p.m. - 6 p.m. on KNBR 104.5 / 680.

Catch Dirty Work with Adam Copeland &amp; Derek Papa every weekday from 2 p.m. - 6 p.m. on KNBR 104.5 / 680.

Dirty Work

Listen to Dirty Work with Adam Copeland and Derek Papa only on KNBR.

Listen to Dirty Work with Adam Copeland and Derek Papa only on KNBR.