Apparently Haden had a to be taken to the locker room.
During pre-game, Haden experiencing "health issues" on the field. Will update more when we hear it, that's all the media has been told so far.
Update at 4:39 - Being told Haden got light-headed and was taken to the locker room area. According to the sports info office, he is now fine and likely to watch the game.