championship in an NCAA-sponsored sport. The Hawkeyes have also won seven Big Ten team titles, the last coming in 1998. On the individual level, 12 Hawkeyes have won national championships. Michael Reavis is Iowa's most-recent national champion, having won on vault in 2005. Swimming and diving Men's swimming became a sanctioned varsity sport at the University of Iowa in 1917, with David Armbruster as the team's coach. Coaching from 1917–1958, Armbruster led the Hawkeyes to one Big Ten championship, in 1936. He was followed by Robert Allen, who coached the Hawkeyes until 1975. Under Allen, Iowa's best finish in the Big Ten was fifth, on two occasions. Glenn Patton was next in the line of coaches, and during his tenure, the Hawkeyes won two Big Ten championships and finished as high as eighth on the national level. Currently, Marc Long is Iowa's men's and women's swimming coach. On 19 occasions has a men's swimmer at Iowa won an individual national championship. Ray Walters was the Hawkeyes' first national champion, having won the 50 meter freestyle in 1936. Nine of Iowa's national championships in men's swimming, however, are credited to Artur Wojdat, who competed at the collegiate level from 1989–1992. Wojdat was an 18-time all-American, a 10-time Big Ten champion, and a four-time national champion in the 500 yard freestyle event. Wojdat also won the bronze medal in the 400 meter freestyle at the 1988 Summer Olympics in Seoul, South Korea. Receiving NCAA Swimmer of the Year in 2010 & 2011 while on the University of Florida swim team, Olympian Conor Dwyer swam with the Hawkeyes swim team on scholarship for his first two collegiate seasons: the Hawkeyes were the only university to offer Dwyer a scholarship after high school. Tennis Men's tennis became a varsity sport at Iowa in 1939, and from that time to the present, the Hawkeyes have won the Big Ten championship once, in 1958. That year, the Hawkeyes recorded a 10–1 team record and finished third at the national level. In 1998, Tyler Cleveland won the Big Ten Freshman of the Year Award. He later won the Big Ten Player of the Year Award twice, in 2000 and 2001. Cleveland and 14 other men's tennis players have named to an all-Big Ten team; Stuart Waters is the most-recent player to have accomplished this, doing so in 2002 and 2003. The team is currently coached by Ross