Question: Why was O.J Mayo, named the Most Valuable Player at the 2007 Anaheim Classic dismissed from the NBA?

full_context: Document 1: Lamar Odom: Lamar Joseph Odom (born November 6, 1979) is an American retired professional basketball player. As a member of the Los Angeles Lakers in the National Basketball Association (NBA), he won NBA championships in 2009 and 2010 and was named the NBA Sixth Man of the Year in 2011.
Document 2: 2007 Anaheim Classic: The 2007 Anaheim Classic was played between November 22 and November 25, 2007 at the Anaheim Convention Center in Anaheim, California. The champion of the tournament was Southern California, who defeated Southern Illinois in the Championship Game. The Most Valuable Player was O. J. Mayo of Southern California.
Document 3: 2017 NBA All-Star Game: The 2017 NBA All-Star Game was an exhibition basketball game that was played on February 19, 2017 in New Orleans, Louisiana at the Smoothie King Center. It was the 66th edition of the event. The West won the game 192-182. The MVP of the game was Anthony Davis, who scored 52 points, the most ever scored by a player in an All-Star Game. It was initially planned to be held at Spectrum Center in Charlotte, home of the Charlotte Hornets. If the game had remained in Charlotte, it would have been the second time that Charlotte hosted the All-Star Game. The city previously hosted in 1991 at the now-demolished Charlotte Coliseum.
Document 4: Chris Webber: Mayce Edward Christopher Webber III (born March 1, 1973) is an American retired professional basketball player. He is a five-time NBA All-Star, a five-time All-NBA Team member, a former NBA Rookie of the Year, and a former number one overall NBA draftee. As a collegiate athlete, he was a first-team All-American and led the Michigan Wolverines' 1991 incoming freshman class known as the Fab Five that reached the 1992 and 1993 NCAA Men's Division I Basketball Championship games as freshmen and sophomores. However, Webber was indicted by a federal grand jury and stripped of his All-American honors by the NCAA as a result of his direct involvement in the Ed Martin scandal. He is also a former National High School Basketball Player of the Year who led his high school Detroit Country Day to three Michigan State High School Basketball Championships. He also played middle school basketball at Riverside Middle School at Dearborn Heights, Michigan where he won a city championship there in 1986.
Document 5: 2007 Rose Bowl: The 2007 Rose Bowl Game presented by Citi was a college football bowl game played on January 1, 2007 at the Rose Bowl in Pasadena, California. It was the 93rd Rose Bowl Game and part of the 2006-2007 Bowl Championship Series (BCS) at the conclusion of the 2006 NCAA Division I FBS football season. In the game, the University of Southern California Trojans, champions of the Pacific-10 Conference, defeated the University of Michigan Wolverines, second-place finishers in the Big Ten Conference, 32–18. USC wide receiver Dwayne Jarrett and USC outside linebacker Brian Cushing were named the Rose Bowl Players of the Game.
Document 6: Blake Griffin: Blake Austin Griffin (born March 16, 1989) is an American professional basketball player for the Los Angeles Clippers of the National Basketball Association (NBA). He played college basketball for the Oklahoma Sooners, when he was named the Consensus National Player of the Year as a sophomore. Griffin was selected first overall by the Clippers in the 2009 NBA draft, and has since been a five-time NBA All-Star and a four-time All-NBA selection.
Document 7: O. J. Mayo: Ovinton J'Anthony "O. J." Mayo (born November 5, 1987) is an American professional basketball player. He played one season of college basketball for the USC Trojans while earning first-team All-Pac-10 honors. The team forfeited all of its wins that season and Mayo lost his remaining three years of National Collegiate Athletic Association (NCAA) eligibility after it was ruled he received improper benefits. Mayo entered the 2008 NBA draft and was selected by the Minnesota Timberwolves with the third overall pick. He was later traded to the Memphis Grizzlies, with whom he played four seasons. In 2011, he tested positive for a banned steroid and was suspended by the NBA for 10 games. Mayo signed with the Dallas Mavericks in 2012, and then with the Milwaukee Bucks in 2013. On July 1, 2016, Mayo was dismissed from the NBA for violating the league's anti-drug program.
Document 8: Anaheim, California: Anaheim (pronounced ) is a city in Orange County, California, part of the Los Angeles metropolitan area. As of the 2010 United States Census, the city had a population of 336,265, making it the most populous city in Orange County and the 10th-most populous city in California. Anaheim is the second-largest city in Orange County in terms of land area (after Irvine) and is known for its theme parks, the Anaheim Convention Center, and its two major sports teams: the Anaheim Ducks ice hockey club and the Angels baseball team.
Document 9: Michael Oher: Michael Jerome Oher ( ; born Michael Jerome Williams, Jr.; May 28, 1986) is an American football offensive tackle who is currently a free agent. He played college football for the University of Mississippi, and was drafted by the Baltimore Ravens in the first round of the 2009 NFL Draft. He has also played for the Tennessee Titans and Carolina Panthers.
Document 10: Marion Jones: Marion Lois Jones (born October 12, 1975), also known as Marion Jones-Thompson, is an American former world champion track and field athlete and a former professional basketball player for Tulsa Shock in the WNBA. She won three gold medals and two bronze medals at the 2000 Summer Olympics in Sydney, Australia, but was later stripped of the titles after admitting to steroid use. Jones did retain her three gold medals as a world champion from 1997 and 1999.
Document 11: 2007 Las Vegas Bowl: The 2007 Pioneer Las Vegas Bowl was an NCAA-sanctioned Division I post-season college football bowl game between the UCLA Bruins and the Brigham Young University Cougars. The Las Vegas Bowl gets its first choice of bowl-eligible teams from the Mountain West Conference (MWC) and the fourth/fifth choice (alternating every year) of bowl-eligible teams from the Pacific-10 Conference (Pac-10). This bowl game was played on December 22, 2007 at 5 p.m. PST at 40,000-seat Sam Boyd Stadium in Whitney, Nevada, USA where this bowl game has been played since 1992. It was broadcast on ESPN and ESPNHD. Since 2001, the game has featured a matchup of teams from the MWC and Pac-10.
Document 12: James Harden: James Edward Harden Jr. (born August 26, 1989) is an American professional basketball player for the Houston Rockets of the National Basketball Association (NBA). Harden played college basketball for Arizona State, where he was named a consensus All-American and Pac-10 Player of the Year in 2009. Harden was selected with the third overall pick in the 2009 NBA draft by the Oklahoma City Thunder. In 2012, he was named NBA Sixth Man of the Year with the Thunder and helped the team reach the NBA Finals.
Document 13: Carmelo Anthony: Carmelo Kyam Anthony (born May 29, 1984) is an American professional basketball player for the Oklahoma City Thunder of the National Basketball Association (NBA). Anthony attended Towson Catholic High School and Oak Hill Academy before playing college basketball at Syracuse. In Anthony's freshman season, he led the Orangemen to their first and only National Championship and was named the NCAA Tournament's Most Outstanding Player. Anthony then entered the 2003 NBA draft where he was selected with the third overall pick by the Denver Nuggets.
Document 14: 2017 ESPY Awards: The 2017 ESPY Awards were presented at the 25th annual ESPY Awards show, held on July 12, 2017 at 5 PM Pacific at the Microsoft Theater in Los Angeles, California and on television nationwide in the United States on ABC at 8 PM Eastern/7 PM Central. On May 16, 2017, it was announced by ESPN.com that Peyton Manning would host the show. 33 competitive awards were presented, along with several honorary awards.
Document 15: 2007 All-Pacific-10 Conference football team: The 2007 All-Pacific-10 Conference football team consists of American football players chosen by various organizations for All-Pacific-10 Conference teams for the 2007 college football season. The USC Trojans won the conference, posting a 7–2 conference record. USC then beat the Illinois Fighting Illini in the Rose Bowl 49 to 17. Oregon quarterback Dennis Dixon was unanimously voted Pac-10 Offensive Player of the Year. USC defensive tackle Sedrick Ellis was voted Pat Tillman Pac-10 Defensive Player of the Year.
ground_truth: violating the league's anti-drug program