The 49ers promoted nose tackle Mike Purcell from the practice squad to the active roster today.
The 49ers released Ray McDonald yesterday after allegations of sexual assualt surfaced.
Harbaugh said NT Mike Purcell will be called up from practice squad for Saturday's game.
— Matt Barrows (@mattbarrows) December 18, 2014
Harbaugh declines to talk about any offers from University of Michigan.
— Matt Barrows (@mattbarrows) December 18, 2014