Broncos' Dan Koppen takes over at center for injured J.D. WaltonYou don’t want to see anybody get hurt,” Koppen said. Koppen started 134 total games for the Patriots over nine years, and will go back there Sunday. When Koppen gets into his stance, the hands he feels under his backside will belong to Peyton Manning, not Tom Brady. The Broncos were paying attention and signed him Sept. He’s giving it to Peyton Manning now, and will see his old quarterback Tom Brady this weekend in his old home.