Alistair Overeem, the Strikeforce heavyweight champion who hasn't defended his title since winning it in late 2007, fights Brett Rogers for the title this Saturday in St. Louis.

Imagine this, if you will: Rogers lost his last fight to Fedor Emelianenko, considered the best heavyweight in the world, then gets a title shot in his next fight. What a world!

advertisement | advertise on newsday

Before you settle in for the fights airing on Showtime this weekend, here's the mash-up video of Overeem, Rogers, Andrei Arlovski and Antonio Silva.