49ers try out 3 O-linemen as injuries shine spotlight on OL problem

The San Francisco 49ers appear to be on the hunt for more offensive line depth.

During the 49ers' off day Friday they had tryouts with three offensive linemen according to the NFL transaction wire. Interior offensive linemen Doug Kramer, Joe Michalski and Lecitus Smith were all part of a tryout that only featured the three offensive linemen.