Four pitchers combined to allow just one run across the last eight innings of the game.
Rob Vaughn was named the conference’s coach of the year for the second straight 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.
Nigel Belgrave pitched two scoreless innings on Sunday morning to cap off a narrow rain-delayed victory for the Terps.
The Terps have rebounded from a 4-7 start against some of the conference's elite.
“He's the face of our pitching staff moving forward after this year,” coach Rob Vaughn said. “That’s the guy that’s gonna be pitching on Fridays.”
The two pitchers totaled 11 strikeouts with no walks as the Terps cruised to their first series sweep of the season.
The Terps scored six runs in the eighth inning to break their three game losing streak.
The Terps rallied in the middle of the game to take a one-run lead into the bottom of the ninth, but were defeated by the Commodores.