Heavily pregnant Coach Amelie Mauresmo looks on during a Wimbledon practice session for Andy Murray in July. Mauresmo is the first female to coach a top player on the men's tour.
Becky Hammon (L), a former WNBA player with the San Antonio Silver Stars is a full-time assistant coach with the NBA's San Antonio Spurs. She is tipped to be the the first female head coach in a major men's pro league.
Jen Welter has been named an intern coach with the NFL's Arizona Cardinals. Welter, who will work with the inside linebackers through training camp and the preseason, is the first female to hold a coaching position of any kind in the NFL.
The Cardinal's Welter -- who has a PHD in psychology -- says she takes a mental approach to coaching. Welter is hoping to land a permanent role in the NFL.
Jen Welter is a former running back for the Texas Revolution in the Indoor Football League -- the first female to play pro football professionally in a non-kicking role.
Former Arsenal Ladies Manager Shelley Kerr made history last year by becoming the first senior female football manager in a British men's league. Kerr is currently coaching Stirling University in the Lowland League, the fifth tier of Scottish football, while completing a Master's degree in sports management.
Clermont Foot coach Corinne Diacre looks on during the French Ligue 2 football match against Brest in August, 2014 Diacre is the first woman to lead a men's professional team in France, and the first female to to coach in a second tier football league in Europe.
Justine Siegal -- seen throwing batting practice with the Cleveland Indians -- made history by coaching as an assistant at Springfield College and as a first base coach in the CanAm League with the Brockton Rox. Siegal stresses that having the full support of management is the key to success for women starting out in men's leagues.
Golf pro Michael Thompson was coached by Susie Meyers for 15 years before recently parting ways amicably. Thompson -- who won the Honda Classic with Meyers in 2013 -- was the only male on tour with a female coach.
When tennis coach Amelie Mauresmo (C) was hired by Andy Murray in 2014, she became the only female to coach a top pro on the men's tour. She is seen in the Wimbledon player's box alongside Murray's wife Kim Murray during the semifinal match against Roger Federer in July.
Nancy Lieberman (seen posing in the 1990s for USA Basketball) became the first woman to play men's professional basketball with her 1986 United States Basketball League debut in Springfield, Massachusettes. Twenty-nine years later, Lieberman made history again, as the second female hired on an NBA coaching staff.
Lieberman, of the NBA's Sacramento Kings, says male athletes have opened up to her about issues they would not ordinarily discuss with a male coach.