Wierman took over the starting job from senior Justin Shockey, winning nine of 13 faceoffs in the first half.
The Terps went on a 7-0 run in the second and third quarters, including a strike from goalie Logan McNaney.
The Terps are looking to extend their perfect start.
Despite not seeing many minutes, the scout team has played a major role in the Maryland's unbeaten start.
The Terps are off to their best start to a season since 2004.
The Terps tallied 13 assists on 18 goals in the win over the Wolverines.
Jared Bernhardt, Anthony DeMaio, Bubba Fairman and Daniel Maltz accounted for all but two of the Terps' goals.
"One of the reasons why those guys are so successful is how well they're working together."
Bernhardt became the Terps' all-time goals leader on Saturday.
Jared Bernhardt scored five goals to break Matt Rambo's all-time scoring record.