Back in 2011, Alistair Overeem debuted in the UFC against former champion Brock Lesnar.

Overeem, who will face Travis Browne Saturday night in the co-main event of UFC Fight Night 26, took out Lesnar and seemed well on his way to a title shot.

Well, that never happened, as he failed a pre-fight drug test, was suspended and eventually knocked out by Antonio Silva.

But, you can see his performance vs. Lesnar once again in the video below: