The Terps trailed in the fourth quarter for the first time all season against the Blue Jays before rallying late to win.
Wierman took over the starting job from senior Justin Shockey, winning nine of 13 faceoffs in the first half.
Jared Bernhardt, Anthony DeMaio, Bubba Fairman and Daniel Maltz accounted for all but two of the Terps' goals.
Jared Bernhardt scored five goals to break Matt Rambo's all-time scoring record.
“Big Ten lacrosse is big guy lacrosse."
The Terps outscored the Scarlet Knights 10-3 in the second half.
Attackman Jared Bernhardt leads the way for the Terps, earning a second-team nod.
The Terps raised $48,000 for charity.
The Terps scored four straight goals late, but they fell short.
The Terps trailed 11-7 entering the fourth frame.