Tune In for BC-Northeastern, Merrimack-UNH at 5 p.m. on NESN

It's time for March Madness — Hockey East style. The top four teams in Hockey East are at the TD Garden for their semifinal matchups. First, at 5 p.m., Boston College will take on Northeastern University. At 8 p.m., the Merrimack Warriors, the feel-good story of the year, take on the University of New Hampshire Wildcats. Stay tuned to NESN at 10:30 p.m. for NESN Daily, which will wrap up the day in college basketball and provide the latest from the Bruins, Celtics and Red Sox.