Former NFL head coach Mike Martz joins Tom Tolbert & Adam Copeland to evaluate Brock Purdy, try to make something of puzzling coaching decisions & if his offenses could score 70 points

Former NFL head coach Mike Martz joins Tom Tolbert &amp; Adam Copeland to evaluate Brock Purdy, try to make something of puzzling coaching decisions &amp; if his offenses could score 70 points

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.

Dirty Work with Copes & D Pop

9-26 Mike Martz joins Tolbert & Copes to evaluate Brock Purdy, try to make something of puzzling coaching decisions & if his offenses could score 70 points