For Matthews, the answer appears to be "no" – for Sunday and, if, there's a beyond.
Matthews reinjured the thumb he broke against Detroit on Oct. 6 while sacking Ben Roethlisberger in the second quarter. He missed four games with that injury and was ineffective with a giant club-cast in his first game back.
"I couldn't give you a timeline but I think based off the history of what happened the first time, I'm told it's similar to the (original) injury," coach Mike McCarthy said.
During the third quarter, Lacy aggravated the same ankle that he hurt at the end of the first half against Atlanta two weeks ago. He missed the rest of the game, finishing with 84 yards and two touchdowns on 15 carries. James Starks rushed for 47 yards on 10 carries.
McCarthy had no information about Lacy's status.
There's a possibility the Packers could be without Rodgers, Matthews and Lacy for what amounts to a championship game at Chicago. It could be argued that those are the Packers' three most valuable players, so winning that game would be an extremely tall order.
Then again, the Bears were throttled 54-11 at Philadelphia, so it's not like they'll be entering the game on a high note.
McCarthy was not asked about Rodgers, who missed a seventh consecutive game with a broken collarbone. McCarthy will address Rodgers' status when he meets with reporters on Monday.
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Bill Huber is publisher of Packer Report magazine and PackerReport.com and has written for Packer Report since 1997. E-mail him at firstname.lastname@example.org, or leave him a question in Packer Report's subscribers-only Packers Pro Club forum. Find Bill on Twitter at twitter.com/PackerReport.