No. 1 seed UMass Lowell became the first team to advance to the Hockey East semifinals, beating No. 8 seed Maine 2-1 in overtime Friday night in Lowell, Mass., to sweep the best-of-three series in two games after Thursday's 4-2 win.
In other quarterfinal action Friday night, No. 2 seed Boston College defeated No. 7 seed Vermont 4-2 at Kelley Rink in Chestnut Hill. The teams will play again Saturday night at 7 p.m.
Meanwhile, No. 3 seed Boston University also held serve at home, blanking No. 6 seed Merrimack 3-0 in the opening game of their quarterfinal at Agganis Arena. The Terriers and Warriors face off again Saturday at 7 p.m.
Finally, No. 4 seed Providence made it a perfect 4-0 night for Hockey East's home teams, edging No. 5 seed New Hampshire 3-2. The Friars and Wildcats resume their battle in Providence, R.I., at 4 p.m. Saturday.