Brock Lesnar Just Retired From UFC. Here's Why (And The Official Announcement)

Here's the shot from Alistair Overeem that knocked Brock Lesnar out of UFC (along with Lesnar's announcement that made it official). The announcement seems to have come a fight too late, given how miserably Lesnar managed to defend himself against Overeem's strikes. Bon voyage,… » 12/31/11 12:45am 12/31/11 12:45am