no, football has a special exemption for one of the 2 types of redshirts... they can play in 4 games or less.
once you play in a game for other sports, only redshirt available is a season ending medical. tiffany said the rule is you can redshirt even if played in scrimmages in spring... so if that's true, then the rules changed on this this year. don't know any new details because i couldn't find this year's rulebook.
but last year it was no more than 30+% of contests, none in the back half of the season. season ending injury, documented. contests prior included scrimmages in spring semester, games, and 1 post-season conference game if u play in it.
he just played in 'cuse's 9th game, so he's a no go even if he pulled a gardner minshew.