The Terps will take on the winner of No. 1 overall seed Wake Forest and George Mason on Saturday.
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’ allowed 10 or more runs for the 11th time this year.
The Terps slugged seven doubles and four home runs in the win.
After watching last year's game film, Vaughn made slight adjustments to the Terps' lineup.
Nick Dean combined with the Terps' bullpen to do just enough to capture their first series victory in almost a month.
Eddie Hacopian's father, Derek Hacopian, starred for the Terps and was the 1992 ACC Player of the Year.
The Terps scored six runs in the eighth inning to break their three game losing streak.