I found this gem. It is largely considered one of the most important fights in US combat sports history. It opened many eyes to the effectiveness of Muay Thai. Just ask the Roufus brothers.
http://www.youtube.com/watch?v=c7kb1aY4Af8
http://www.youtube.com/watch?v=akwHUBr3W6o
http://www.youtube.com/watch?v=hLejmqkQQ7U
http://www.youtube.com/watch?v=R47v7S6-tfw