While Packers coach Mike McCarthy did not say whether Nelson broke any ribs, there was concern after the game that the injury might keep Nelson out of next Sunday's divisional playoff game against the Cowboys.
"I obviously have concern for Jordy," McCarthy said. "I don't have the information yet."
Quarterback Aaron Rodgers said "it would be a huge loss for us" if Nelson were unable to play.
"But [Geronimo Allison] has been playing a lot for us and he's been playing effectively," Rodgers said. "Randall [Cobb] being back healthy -- you know I said this week in my press conference we're better with 18 [Cobb's jersey number] on the field. And he showed it tonight, made a ton of plays for us. He was excellent. And having him out there is going to help. But you know Geronimo is going to have to step up and play extended time if Jordy is going to be out."
If Nelson is out versus Dallas (which looks likely), Allison will pick up most of his snaps. The Jeff Janis truthers will have to hope for another injury or two.