It’s likely Rashad Jennings will miss at least two weeks with an MCL sprain and possibly four or more, depending on the severity of the injury. And Williams was seen as a challenger to Jennings before the season, particularly for goal-line work. (Alex Goodlett / Getty Images)
Though Calvin Johnson plays wide receiver, Ebron could be the beneficiary of Johnson’s gimpy ankle, who likely will be sidelined for the next two weeks. (Joe Sargent / Getty Images)
Zac Stacy strained his calf and Cunningham took over, rushing for 47 yards and a score on against the Eagles. Stacy’s hold on the job appears tenuous. (Eric Hartline / Reuters)