 you can add a guy to your roster in the middle of the season as long as he's already an enrolled student. There are teams that occasionally will hold an open tryout to go find a field goal kicker in October. It's just got to be somebody who's already enrolled as a student because that's the way college football works. So there are athletic directors I've talked to who are like, well, maybe we could start a little club team or a JV squad, essentially, that isn't on scholarship, but we can just sort of have