The video accompanying the twitter/X post has Sinatra's "My Way" for audio, which makes me think the knee isn't doing what he wants/needs to right now... so a retirement might be next.

Dude had such good technique, what a great pick in R4. At his best, he was among the best in pass pro... franchise LTs are like gold. Won't be a HOF'er, but I think he's in the Packer HOF.