Andrew Luck has signed the richest contract in NFL history, a deal worth up to $140 million with the Indianapolis Colts that covers the next six seasons through 2021. Colts owner Jim Irsay revealed the contract's maximum value on Wednesday for Luck, the No. 1 pick in the 2012 draft who missed nine games last year because of injuries to his shoulder, ribs and kidney. Irsay said Luck would be guaranteed $47 million if the Colts were to cut him before the season. More...