It's not exactly an apples to apples comparison.
The Detroit Tigers had just clinched a division title after a long season, and the Detroit Lions had simply won a game, but the two different ways the head coaches of Detroit's major sports teams celebrate a win does show something about their personalities.
Here's the "Jim Leyland moonwalk" making the rounds online (You can scroll to 1:25 to see the moonwalk, but his heartfelt 'thank you' to his players, staff, and fans is worth watching. - you can follow this link if the video doesn't load below):
And here's the "Jim Schwartz headset throw" going around the net (the Lions had just beaten the Washington Redskins - follow this link if the video doesn't load below):
http://www.youtube.com/watch?v=8MSZstYvv5c
Maybe it's just the difference between baseball and football.
H/T to Tony Brown.