Veteran quarterback Philip Rivers has made a surprising return to the NFL by signing with the Indianapolis Colts practice squad. Rivers, who retired last season after a successful career with the Chargers, brings a wealth of experience to the Colts' roster. His decision to join the practice squad indicates a willingness to help mentor younger players while staying prepared for game action. The Colts, led by head coach Frank Reich, see Rivers as a valuable addition to their quarterback depth chart. Fans are eager to see if Rivers will eventually move up to the active roster and make an impact on the field.