Marcus Mariota out as Commanders turn to rookie Athan Kaliakmanis

LONDON -- Washington Commanders quarterback Marcus Mariota left Sunday's game against the Indianapolis Colts with a right knee injury that he suffered on the second series of the game.

Mariota was ruled out at halftime, and coach Dan Quinn told ESPN's Molly McGrath that Mariota aggravated an MCL injury that knocked him out of the preseason. He was replaced by rookie seventh-round pick Athan Kaliakmanis, who was playing his first NFL snaps. The injury was even more damaging because Mariota was playing in place of Read More....