It's not entirely clear what's bothering Nelson. He left Saturday night's wild-card win over the Minnesota Vikings early, but he told the newspaper that had nothing do with the string of knee and ankle injuries he suffered this season. There's some speculation the wideout is dealing with a tweaked calf.
Cobb's setback is believed to be flu-related. That has been affecting the Packers this month, but the illness is unconfirmed.