49ers Insider, Matt Maiocco dives deep into the 49ers first preseason game & who stood out during their time on the field

49ers Insider, Matt Maiocco dives deep into the 49ers first preseason game &amp; who stood out during their time on the field

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.