Andrew Luck is not fully healthy. And the Colts are signing a quarterback on Friday before a game. These events are not unrelated. Every game, all season The Colts announced that they signed Josh Johnson and waived cornerback Shaun Prater. Johnson is on his sixth NFL team, and his third one in the last six weeks. Indianapolis has two other quarterbacks on the roster — Matt Hasselbeck and Alex Tanney — so the move is a bit of surprise. Luck did not throw any passes in the portion of practice open to the media Friday as backup Matt Hasselbeck and Alex Tanney took reps with the offense

Source: NFL.com