The made-for-TV National Heads-Up Poker Challenge is taking place at Caesars Palace in Las Vegas this weekend. A major upset has already taken place in round one. Pro Football Hall of Famer Emmitt Smith defeated 2004 WSOP Main Event Runner-Up David Williams to advance to the round of 32. According to David Williams’ twitter, the NFL’s all-time leading rusher got all-in with Q6 against Williams’ T9 on a 9654 board and spiked a six on the river. Following the hand, Williams said on his Twitter account, “Lost to Emmitt Smith. Lost when all-in and ahead about 4 times but we all know he runs gooood. GL Emmitt. He was a class act.”

Williams, who is from Texas and an avid Dallas Cowboys fan, Tweeted that he showed up to the match in an Emmitt Smith jersey but removed it in favor of a Charlie Sheen shirt after the first hand.

Awaiting Smith in the round of 32 is Andrew “good2cu” Robl. Notable players who advanced out of the first round include: Tom Dwan, Michael Mizrachi, Peter Eastgate, Doyle Brunson, and reigning world-champ Jonathan Duhamel.

Some notables who met their demise in the first round were: Phil Ivey, Phil Hellmuth, Chris Ferguson, and actors Jason Alexander and Don Cheadle.