http://profootballtalk.nbcsports.com/2014/04/21/didnt-take-long-rolando-mcclain-says-im-done/ Now it looks to be resolved and the Ravens rep is non the worse for wear.
http://www.youtube.com/watch?v=2awbKQ2DLRE I could see a club doing this in the middle of a floor with railings to keep people back and doing quite well with it.
Right now he will be 1 of 90 on the roster. Once you get to the last cuts then that could be a possibility. Right now he gets a spot that is used for a warm body that they need for tackling dummy purposes.