As the calendar flips to April, the Case Western Reserve University spring sport teams will all be in action this week. The track and field teams are set to travel to Delaware, Ohio, for the Marv Frye Invitational. Softball will continue University Athletic Association competition with a series at home against Brandeis, while baseball has three non-conference games on the schedule, including two at home this weekend. And, women's tennis will have a key match against rival Carnegie Mellon at home, while the men's tennis team will have four matches in Illinois, including a rematch from last year's NCAA Championship.