Marcus Mariota Injury: Titans QB Done For Season With Fractured Fibula

UPDATE (Saturday, Dec. 24 at 4:31 p.m. ET): The news is bad for the Tennessee Titans. Marcus Mariota won’t play again in 2016.

ORIGINAL STORY: Tennessee Titans fans held their breath Saturday when franchise quarterback Marcus Mariota needed to be carted off the field in the third quarter after suffering an apparent ankle injury.

Jacksonville Jaguars defensive tackle Sheldon Day fell on Mariota’s ankle, and the QB laid on the ground in pain while medical personnel attended to him.

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The Titans were quick to announce Mariota would not return to the game. Backup quarterback Matt Cassel replaced him under center.

Thumbnail photo via Logan Bowles/USA TODAY Sports Images