sentences:  During an athletics history that traces its roots to the 1920s, Towson has sent teams and individual student-athletes to NCAA post-season competition in baseball, basketball, football, golf, gymnastics, lacrosse, soccer, swimming, track & field and volleyball.In May 2011, the department broke ground on the SECU Arena, a new 5000-seat, state-of-the-art arena for basketball, volleyball and gymnastics.The arena was completed in May 2013 and opened in June 2013.