9-17 Dirty Work Hour 1:  Giants salvage final game vs Arizona; Brock Purdy is limited in practice today for 49ers

9-17 Dirty Work Hour 1: &nbsp;Giants salvage final game vs Arizona; Brock Purdy is limited in practice today for 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.