Alexander earned a win by pin on Senior Day.
The Terps scored the first four goals of the second half.
The Terps face the Scarlet Knights on Saturday night — with Melo Trimble and Jake Layman in the house.
The Terps started slow and finished slower against the Boilermakers.
She hit her first home run since 2016.
The Terps are 1-27 when they score fewer than five runs entering their doubleheader with Rutgers on Wednesday.
The Terps added talented freshmen and transfers.
Michigan State upset the Terps on Jan. 11.
Campbell will join former Terps target Moses Brown on the Bruins.