million. Athletics The University of Michigan's sports teams are called the Wolverines. They participate in the NCAA Division I Football Bowl Subdivision and in the Big Ten Conference in all sports except women's water polo, which is a member of the Collegiate Water Polo Association. U-M boasts 27 varsity sports, including 13 men's teams and 14 women's teams. In 10 of the past 14 years concluding in 2009, U-M has finished in the top five of the NACDA Director's Cup, a ranking compiled by the National Association of Collegiate Directors of Athletics to tabulate the success of universities in competitive sports. U-M has finished in the top 10 of the Directors' Cup standings in 21 of the award's 29 seasons between 1993-2021 and has placed in the top six in nine of the last 10 seasons. More than 250 Michigan athletes or coaches have participated in Olympic events, and as of 2021 its students and alumni have won 155 Olympic medals. Michigan Stadium is the largest college football stadium in the nation and one of the largest football-only stadiums in the world, with an official capacity of 107,601 (the extra seat is said to be "reserved" for Fritz Crisler) though attendance—frequently over 111,000 spectators—regularly exceeds the official capacity. The NCAA's record-breaking attendance has become commonplace at Michigan Stadium. U-M is also home to 29 men's and women's club sports teams, such as rugby, hockey, volleyball, boxing, soccer, and tennis. National championships The Michigan football program ranks first in NCAA history in total wins (989 through the end of the 2022 season) and third among FBS schools in winning percentage (.731). The team won the first Rose Bowl game in 1902. U-M had 40 consecutive winning seasons from 1968 to 2007, including consecutive bowl game appearances from 1975 to 2007. The Wolverines have won a record 44 Big Ten championships. The program has 11 national championships, most recently in 1997, and has produced three Heisman Trophy winners: Tom Harmon, Desmond Howard and Charles Woodson. The men's ice hockey team, which plays at Yost Ice Arena, has won nine national championships. The men's basketball team, which plays at the Crisler Center, has appeared in five Final Fours and won the national championship in 1989. The program also voluntarily vacated victories from its 1992–1993 and 1995–1999 seasons in which illicit payments to players took place, as well as its 1992 and 1993 Final