McQuarrie, a 6-foot-7, 208-pound standout from Weare (N.H.) St. Paul’s School, is listed as a four-star prospect by 247Sports. He was also being pursued by Michigan, Miami, Boston College and Massachusetts, according to 247Sports.
The Bruins are in need of quarterbacks, with only three on their roster in sophomore Dorian Thompson-Robinson, redshirt sophomore Austin Burton and freshman Chase Griffin. Two other quarterbacks have switched positions, with Matt Lynch moving to tight end and Josiah Norwood moving to receiver.