India, Dec. 8 -- Indianapolis Colts quarterback Daniel Jones suffered a potentially serious right-leg injury during Sunday's Week 14 matchup against the Jacksonville Jaguars.

The injury occurred on a non-contact play in the second quarter. Jones immediately went down and was unable to continue, forcing him out of the game. Backup quarterback Riley Leonard entered in his place.

According to NFL insider Adam Schefter, Jones has been ruled out for the remainder of the game with what is feared to be an Achilles injury.

If confirmed, Achilles injuries typically require months of rehabilitation before a full return to activity.

This setback comes on top of an ongoing left fibula fracture that he has been managing since early November.

Dr. ...