WATCH: Fred Warner notches 1st-career sack

Fred Warner picked up his first sack of the season to end a Seahawks drive.

The 49ers rarely send extra pass rushers. Defensive coordinator Robert Saleh dialed up a blitz on a Seahawks third-and-4 in 49ers territory. It worked.

Linebacker Fred Warner blew through a hole in the offensive line and dragged down quarterback Russell Wilson before he could get outside the pocket. Seattle punted for the third time in as many possessions.

The 49ers have done a nice job with Wilson in the early going.