Lavigne went on to save all 31 shots he faced, preserving a shutout for Michigan — its first since Nov. 27 of last year.
After dropping the first match on Friday, 4-3, Michigan rallied for a 4-0 win on Saturday.
The Wolverines racked up 10 penalty minutes in the first, giving Union six power play shot attempts and one goal.
Union outshot Michigan 40 to 23 as the Wolverines lost their season opener.
The Wolverines will return to the ice this weekend, and they will showcase a lineup that holds 11 freshmen — more than a third of their team.
In the Wolverines’ preseason tune-up against Windsor, Lockwood sprinted all across the ice, zooming from one side to the other, chasing after the puck.
Freshman forward Nick Pastujov of Michigan's hockey team made an impact during an exhibition match against Windsor, scoring the first goal of the game. Pastujov was cleared for full-contact practice just last week.
On a team that is laden with freshmen and questions of where production will come from, Alex Kile has been thrust into the spotlight
The earliest Marody can return to the ice is for the Great Lakes Invitational, which takes place Dec. 29-30.
Michigan scored an early goal and added another late to win 2-0 at Yost Ice Arena.