Juan Manuel Marquez celebrates knocking out Manny Pacquiao in their welterweight bout at the MGM Grand in Las Vegas Saturday, Dec. 8, 2012.
Lee Graves brings down a steer in the steer wrestling event during the 9th day of the National Finals Rodeo in Las Vegas Dec. 10, 2005.
Coronado High School players celebrate after defeating Bishop Gorman in their state baseball championship game in Henderson, Nev. May 18, 2013.
University of Nevada, Las Vegas football players cool off in ice baths after practice during training camp in Ely, Nev.
Kollin VonAhn, left, JoJo LeMond practice roping at UNLV in Las Vegas Wednesday, Dec. 12, 2009. The Two will compete in team roping at the National Finals Rodeo Starting Thursday at the Thomas & Mack Center.
Francisco Rodriguez runs toward the football field at the Keystone Academy in Sandy Valley, Nev. Wednesday, Aug. 23, 2006. The small rural school may be closed.
Blood covers Clay Guida's face during a lightweight UFC bout against Diego Sanchez at the Palms in Las Vegas Saturday, June 20, 2009.
Anthony Marshall of UNLV grabs a rebound during the second half of their game against the University of Louisville in Louisville, KY Saturday, Dec. 11, 2010.
WBO junior featherweight champion Daniel Ponce De Leon of Mexico kneels in the corner after knocking out Sod Looknongyangtoy during their title fight at the MGM Grand Garden Arena in Las Vegas, Nev.
Royall Jones sits on a couch at the Silver Nugget Casino events center in North Las Vegas. Jones was about to compete in the Golden Gloves state championships.
Brice Massamba of UNLV holds his head in his hands after his team lost to the University of Northern Iowa in the first round of the NCAA basketball tournament in Oklahoma City Thursday, March 18, 2010.
Floyd Mayweather hits Victor Ortiz during their WBC Welterweight bout at the MGM Grand in Las Vegas Saturday, Sept. 17, 2011.
Chiyotaikai throws sand onto the ring before the match for the Grand Championship of the Grand Sumo Tournament in Las Vegas Oct. 9, 2005. Sumo wrestlers throw salt into the ring before each match to purify it.
Participants line up during the start of the first night of the Professional Bull Riders World Finals in Las Vegas Friday, Oct. 27, 2006.