The NFL is a young man's game. Sure, quarterbacks often play into their mid-30s or even early-40s, but if a player is the wrong side of 30 in most other positions, he's beyond his prime. Thirty years old is considered ancient for running backs.

Miller spent the first ten and a half years of his career with the Broncos, helping the team win Super Bowl 50 following the 2015 season. After taking home Super Bowl MVP honors, Miller went on to spend five and a half more years in Denver before being traded to the Los Angeles Rams.