Tracy Sandler joins Dirty Work with the latest Brock Purdy news: Will he be the emergency QB on Sunday vs the Cards?

Tracy Sandler joins Dirty Work with the latest Brock Purdy news: Will he be the emergency QB on Sunday vs the Cards?

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.