Although Peyton Manning's contract with the Denver Broncos carries through the end of the 2016 season, the quarterback has reached the "year to year" stage of his career at age 37.

There's no concern that Manning will walk away from the game after a record-breaking campaign. The greatest regular-season quarterback in NFL history does concede that retirement is visible on the distant horizon, however.

"It's going to be a great atmosphere on Sunday, playing a good football team, and there is nothing else I would rather be doing than be in that opportunity," Manning said Wednesday, via the team's official website. "And so that is certainly my goal to enjoy the preparation -- not just the game --to actually enjoy the preparation part of it, enjoy being around the guys.