"Right now, in my mind, I'm up, I'm ready to go. I can perform to my level of performance," Jennings said after Friday's practice.
Jennings suffered a setback while testing the injury at practice on Tuesday and was held out of Thursday's workout. On Friday, he was listed as limited participation and took part in some 11-on-11 drills.
Between Saturday's practice, a long flight to Seattle and pregame warm-ups, Jennings and the medical staff will have to determine whether the reward of having a Pro Bowl performer on the field against a top defense outweighs the risk of potentially aggravating the injury and having to miss another couple weeks.
"It weighs heavily," Jennings said. "Even going out there today, you want to push it, you want to push it to the limit so you can give a good gauge on how you actually feel, and that's what I did. It's one thing to test and it's another thing to go against a defender in actual game mode. So, I was able to do that, felt good, didn't feel great, but I felt good enough to where I'm like, ‘Oh, yeah, I can do this.' I was smiling, like, ‘Oh, man, I did it.' It felt good."
From 2008 through 2010, Jennings played in all 16 regular-season games. Last year, however, he missed three games with a knee sprain. He missed the first two games of the preseason with a concussion.
The timing isn't good for a player seeking a big payday, whether it's from the Packers with an in-season extension or another team during free agency after the season. Jennings said his endurance will be more of a factor than any lost timing with Aaron Rodgers.
"I'm not one that believes in bad luck," Jennings said. "It's all a part of the game. But it is frustrating, it really is frustrating. You can get down, but I try not to do that. I try to look at the positives. The negative kind of jump in your face when you see guys, especially you see the guys going through practice and taking the heavy reps. It kind of puts a burden on them, as well. That kind of weighs on you, and the fact that this just isn't me, not being out here, not being a part, not being active, being injured. I don't even like using the word, having something hinder from me going out there and performing and doing what I do. It's been a process that I'm not accustomed to, but something I've had to adjust to. We're working through it."
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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.