We Shoot... We Score

I've never been to a really big sporting event live; however, that will change next month. We just received our tickets to the 1st and 2nd round games of the NCAA Men's Basketball Tournament that will be held in Boise March 20-22:

[Edit 2305 15 Feb: Redacted photo of tickets due to concerns mentioned in the comments that someone could copy them and render our ticket invalid.]

I'm way psyched; in my opinion, March Madness is the best annual sporting tournament in the world. In order to get the right to buy these tickets (for $61 for each person for each session, plus fees) we had to buy season tickets for last season's BSU Men's BB season. It was totally worth it.

What's the biggest sporting event you've ever attended live?