The last fight you could ever watch.
Who are the fighters and why?
(you can pick 2 fights from different eras, weight classes, fighting styles)
(You could even pick the way it ends) 
BJ Penn vs. pre-Anderson Sakurai
Anderson Silva vs prime Fedor.
Anderson Silva VS Jon Jones.
prime Al vs prime Wanderlei
226 pound OWGP prime Wanderlei vs Anderson in a open weight fight with no drug testing and old school NHB rules.
Mike Tyson (19yrold) v chocolate al (2005)
Mma rules/gloves
Steps - Anderson Silva VS Jon Jones.
Ttt
Rickson-Ruas in their prime
Prime
wand vs Igor V
Abraham Lincoln vs 'Magic' Johnson.
Prime Penn vs
Edit: prime Penn vs nick Diaz
Infamous Ed - Prime
wand vs Igor V
BJ Penn vs. Jim Miller.
Prime Chocolate Al vs. Jon Jones.
Not dead Bruce Lee vs. prime Seagal in a Roman coliseum
Silva vs jones
Hopefully in 2012 homie ;)
Fedor back in action against Jon Jones when he drops down to LHW to make a run for the UFC title in 2012!
Jake Shields vs. Jon Fitch. Hell, if it's going to be the last MMA fight I ever get to watch I want it to be a shitty one so I can go about the rest of my life thinking I'm not missing anything