Everyone’s focused on the March Madness this time of year, but let’s not forget there are other NCAA championships going on, too. One of those tournaments is pretty underrated: the NCAA Division I men’s ice hockey tournament. It’s typically filled with overtime games, a smattering of upsets (though not necessarily on par with its cousin on the hardwood) and thrilling play. Air Force is making its fifth NCAA tournament appearance this year, and the Falcons have drawn a tough road: They’ll face the tournament’s top overall seed, Boston College, at 4 p.m. EDT Saturday at the DCU Center in Worcester,…