Dirty Work Hour 1: the 49ers hit the practice field; we recap John Lynch's comments on the trade deadline & the return of George Kittle

Dirty Work Hour 1: the 49ers hit the practice field; we recap John Lynch's comments on the trade deadline &amp; the return of George Kittle

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.