Mike McCarthy suffered an apparent ankle injury walking off the sideline at halftime, spending the entire break in the Pittsburgh Steelers medical tent.
https://www.foxnews.com/outkick-sports/steelers-coach-mike-mccarthy-injures-himself-serious-enough-never-got-halftime-locker-room
https://www.foxnews.com/outkick-sports/steelers-coach-mike-mccarthy-injures-himself-serious-enough-never-got-halftime-locker-room