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