The San Francisco 49ers will be without rookie running back Glen Coffee for this week’s game with the Bears.  He has played in all 8 games for the 49ers this season and he has carried the ball 75 times for 198 yards (2.6 ypc) with 1 TD run.  He has also caught 10 passes for 69 yards (6.9 avg).  Michael Robinson will replace Coffee as the #2 RB this week for the Niners.  He has played in 8 games this season for the Niners and he has carried the ball 1 time for -1 yard.  He has also caught 4 passes for 16 yards (4.0 avg) this season.  The Niners might be looking for someone else to return kicks this week with Robinson needed more than usual on offense.  Robinson has returned 17 kickoffs for 402 yards (23.6 avg) so far this season for the Niners.