It is quite possible then that he changed after his playing years.
Cal only knew him from hockey.
That is great if he turned around from the way he was.
Many great athletes are intense competitors who cannot draw the line between sportsmanship and edginess while competing but become different people when away from the arena.
J.J. Watt seems to be one of those people who seems to be a jerk while playing but a fantastic guy off the field.