Why did Todd Haley Refuse to Shake Josh McDaniel's Hand?

Denver Post Picture - Joe Amon - AP
Why did the coach of the KC Chiefs refuse to shake McDaniel's hand last Sunday after the game?

He did make a statement about his behavior after the game, on camera, apologizing for how he acted, but he never did explain what made him so mad.

Was it the fact that the Broncos made it into the end zone too many times?  Was it that challenge he issued and lost, due to the replay equipment malfunction?

Since he has never said why, it is speculation, but it sure was a bad moment for him.  He looked like a BAD SPORT.  Is that OK in the NFL?

McDaniels had an episode or 2 last season that created controversy, and that may be why he so readily forgave the guy for this snub, or it could have been his keen sense of "we won the game so it doesn't matter" that allowed him to shake it off.

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