In news that is sure to shock the NFL, Andrew Luck reportedly “has informed” the Indianapolis Colts that he is retiring from the league.

ESPN’s Adam Schefter broke the news Saturday night, saying that Luck, 29, is “mentally worn down, and now checking out.” He reportedly already has met with team officials.

In six seasons, Luck threw for 23,671 yards with 171 yards and 83 interceptions. He tossed for 4,593 yards with 39 touchdowns last season as the Colts went 10-6. Luck, who has dealt with injuries in his throwing shoulder, was battling issues regarding a high-ankle sprain and was questionable for Week 1.

Former New England Patriot Jacoby Brissett is expected to be the Colts’ new starter.

Thumbnail photo via Mark J. Rebilas-USA TODAY Sports