During the second quarter of Week 6, Marcus Mariota suffered a grade 2 MCL (medial collateral ligament) injury to his left knee when he was hit low by Olivier Vernon. Mariota donned a knee brace and continued to play until he was pulled late in the game, when Miami’s 38-10 victory was all but inevitable. Head coach Ken Whisenhunt said after the game that Mariota was walking around...