In both mixed martial arts and boxing, performance enhancing drugs are a serious issue with deep repercussions for fighters caught using. In recent history, the issue has greatly impacted a number of high profile fighters and promotions: Josh Barnett's positive test acted as the catalyst for the demise of Affliction, Sean Sherk was stripped of his belt following a positive result, and testing procedures are holding up a highly anticipated boxing match between Manny Pacquiao and Floyd Mayweather Jr. In the press conference following this weekend's "UFC 108: Evans vs. Silva," UFC President Dana White discussed his thoughts on modern drug testing practices and their impact on fighting sports.

• I hate these moments where I've officially run out of internet to entertain myself with. I've seen literally all of it. Don't ask to see it. #
• #sotd Killswitch Engage - Holy Diver. Why does aggressive metal calm me down? It makes no sense. #
• I hate antagonistic atheism. We dont want their beliefs pushed on us, why can we push ours on them? It's about tolerance and coexistance. #
• Charlottesville: people I don't know glare at me; people I know and say hi to look at their feet and walk by me. Eff the ppl in this town. #
• RT @JAYount: MMA Spot's Best of '09: Breakthrough Fighters http://tinyurl.com/y8ch6ux - @danhardymma @Brian_Bowles @jonnybones @FrankieEdgar #
• I have to admit, the cafeteria lady whose husband works for mozilla and gives me firefox schwag makes me happy. #
• Just listened to this: http://www.youtube.com/watch?v=rc9_U-RBSuk Someone please amass a medieval army for me to charge at wildly please. #
• Got 3 fillings done today, first ones ever. Merry freaking new year. #
• I'm sitting home alone watching Paul Blart (Waiting for Andy)...it's the most painful movie I've ever seen. #
• Just watched Kobe's 3 from last night...that's why I love basketball, and the #lakers. #

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This saturday's "UFC 108: Evans vs. Silva" pay-per-view event, taking place at the MGM Grand Garden Arena in Las Vegas, Nev., will mark the first event of 2010. This card has seen more fighters back out with injury than any other card in the promotion's history, forcing UFC matchmakers to find fighters to come in and perform on short notice. Through all the injuries though, they have managed to put together a great card that is full of, with what should be, competitive matchups. Spike TV will air two preliminary fights commercial free starting at 9pm (est) that will feature Martin Kampmann vs. Jacob Volkmann and Dan Lauzon vs. Cole Miller.