UFC 158: Press Conference GSP vs Nick Diaz

UFC 158 Sat Mar 16 live on Pay-Per-View and set in Canada, the welter weight belt will be contested by Nick Diaz.  The fight which was the buzz of the MMA world, back before Carlos Condit and Nick Diaz fought for the right to call themselves the #1 contender, is back in effect and mma fans couldn’t be happier.  Below is a video, from a UFC prefight press conference, where both fighters give their views about the upcoming bout.

What was with Nick Diaz’s comment on Canadian steroid testing all about anyway?