Some of mine:
LA coming back from 15+ down to beat Portland in game 7. Portland had some horses on that team.
The Billy Sims karate kick:
Watching that freak Bo Jackson. Breaking the bat on his head is one of the freakiest things I've seen:
Steve Atwater laying the lumber on Christian Okoye:
Montana to Taylor in Super Bowl XXIII
Watching the greatest RB in the history of the NFL:
Magic's sky hook over the Chief and McHale to win a championship: