Quarterback Marcus Mariota is out and so are the Tennessee Titans.
Mariota broke his right leg in a 38-17 loss at Jacksonville on Saturday, a crushing setback for a team that had so many things go right while winning three in a row and seven of 10 previously.
''That breaks my heart, man,'' Titans offensive tackle Taylor Lewan said. ''Love him. That guy's an awesome dude. For that to happen to him, it's unfair.''
Related players: Matt Cassel
A few hours later, the Titans (8-7) were eliminated from playoff contention when Houston beat Cincinnati to win the AFC South for the second straight season. Matt Cassel takes over for Week 17.