After beating Iona in straight sets, the Terps are 6-0 on the season.
Dean struck out six and allowed two earned runs over 4 2/3 innings.
“It’ll be a very intense game, and I’m really looking forward to it.”
Justin Gielen, Eric Matzelevich, Malcolm Johnston and Luke Brown each found the back of the net.
The Terps scored once in two Big Ten tournament games.
The Terps will play Iona on Thursday at Ludwig Field.