Life is moving in fast-forward for rookie quarterback Riley Leonard since he grabbed his helmet and ran onto the field to replace injured Indianapolis Colts starter Daniel Jones in Jacksonville last Sunday.

And you thought it couldn't get worse, Colts fans. Quarterback Riley Leonard has a knee injury, status for Sunday is unknown

After Daniel Jones' injury, the course of the Colts' season might now be determined by a sixth-round rookie QB. But who is Riley Leonard?

The Indianapolis Colts found themselves in a most unfortunate situation on Sunday.

The sixth-round rookie draft pick replaces the injured Daniel Jones late in the first quarter. Here are Riley Leonard's stats against the Jaguars.

Rookie's are often boom-or-bust investments in Fantasy Football. This is how they track through 14 weeks on the NFL Season.