Starting with the 2014–2015 season, the Big Ten sponsored women's lacrosse as a league sport. The inaugural season consisted of teams from Northwestern, Maryland, Michigan, Ohio State, Penn State, and Rutgers.
Johns Hopkins will join the Big Ten for the 2017 season. The Bluejays men's program started Big Ten play in the conference's inaugural 2015 season.
References
Big Ten women's lacrosse Wikipedia(Text) CC BY-SA