It is interesting that Manziel was apparently not acceptable for the XFL from a morals standpoint, but Nelson is fine.
Ok, now I know who we're talking about, the QB who was charged with kicking somebody in the head in a bar fight, it was caught on video. This was a serious incident, apparently the victim suffered permanent brain injury.
https://www.youtube.com/watch?v=t77mlRwgUXo