I know but, his name is still written "red" which means injured. I don't know if it remains red but able to play?
http://www.buzzerbeater.com/match/59294615/reportmatch.aspx
Yup, that's normal. He will probably be injured at the end of the game.
I don't think so. He was hurt, that's why he's red. Now he's playing again, but in the match viewer he'll still be red. The match viewer never changes back to black.