Brandon Cray, Philip Spadafora, Niko Cappello and Youssif Hemida all notched wins.
The Terps' will have their Senior Day against Rutgers before facing Rider in their last dual.
Hemida defeated George Mason's No. 15-ranked Matt Voss.
The Terps avoid a winless dual season with a blowout victory.
Ugalde snapped the Terps' 29-match losing streak in dual meets.
The Terps travel to George Mason after hosting No. 4 Michigan
The Terps suffered a 48-0 loss to No. 3 Iowa on Friday.
It was the Terps' worst-ever Big Ten loss.
"Matchup wise, Iowa and Minnesota are way better than we are."
Ugalde dominated against Wisconsin despite nursing injuries.