Five Terps pitchers combined to shut out the Hawkeyes — the first shutout in a Big Ten tournament championship game since 1989.
The Terps will face Iowa on Sunday at 2 p.m. for the conference tournament crown.
Four pitchers combined to allow just one run across the last eight innings of the game.
The Terps clinched the Big Ten regular season title in the last series of the regular season.
Lorusso broke the Terps' record with a sixth inning grand slam.
The Terps swept the Hoosiers to solidify their top spot in the Big Ten standings with three conference series remaining.
Savacool gave up five earned runs across six innings.
Freshman Jacob Orr finished with five RBIs in Terps' comeback win.
Costes launched his seventh homer of the season to boost the Terps toward a second victory over the Hoyas.
The Terps' loss to the Pirates was plagued with small mistakes and missed opportunities.