Timeline of women's sports in the United States Alberga was the first woman to play a full season in a professional men's baseball league. 1949 - Sara Christian became the first female NASCAR driver, racing in the inaugural NASCAR race at Charlotte Speedway, even though she had Bob Flock finish the race. In the second official race at Daytona Beach and Road Course, also in 1949, Christian was joined by Ethel Mobley and Louise Smith, with Mobley finishing ahead of the 3, at 11th. 1950 - Kathryn Johnston, only twelve years old, was the first girl to play Little League Baseball. She played for the King's Dairy team
Professional sports leagues in the United States each year since 2004. Major League Lacrosse (MLL) is a men's field lacrosse league consisting of nine teams in the United States. Founded in 1999, the league's inaugural season was in 2001. MLL averaged 3,844 spectators per game during the 2017 season. MLL is a semi-professional league. MLL players reportedly earn annual salaries in the $10,000–$25,000 range; players and staff generally hold other jobs. The Arena Football League is the highest level of play in the indoor/arena styles of gridiron football. The sport is played in an indoor arena on a much smaller field than American football. The league was