Luck informs Colts he's retiring, source says
Andrew Luck has informed the Indianapolis Colts that he is retiring from the NFL, a source told ESPN.
Luck, who turns 30 on Sept. 12, already has met with Colts owner Jim Irsay to tell him that he is retiring, the source said.
There will be a news conference Sunday to make it official, but Luck is mentally worn down, and now checking out, the source said.