Jamaal Williams was announced as the Lions' starting running back over Swift Sunday against the 49ers, Kyle Meinke of MLive.com reports.

EDGE Analysis

It remains to be seen how this plays out, but the resulting box score/snaps counts will be worth monitoring to see how the Lions' RB backfield workload shakes out in Week 1. Swift -- who is bouncing back from a groin injury -- was not among Detroit's inactives Sunday.