WELLSBURG - Alissa Blake and Amy Rotriga each threw three-hitters as John Marshall swept Brooke in a twinbill.
In the opener, Kylie Howard singled twice, doubled and drove in a run and Jackie Gellner returned with a single and a triple for the Monarchs (13-3).
Michaela Hinerman had two singles, a triple, and an RBI for the Bruins (5-5).
In the nightcap, Rotriga struck out 12 and Kristin Lewicki singled twice, doubled and drove in two. Amber Watson added a pair of hits.
Hinerman doubled and singled and Kristin Reardon doubled and drove in a run for Brooke.