PRINCETON, N.J. -- The ACC became the first conference to claim three spots in the semifinals of the NCAA lacrosse tournament as Duke and Maryland posted quarterfinal wins Sunday to join Virginia and Johns Hopkins in the title chase in Philadelphia next
Matt Danowski scored two of his five goals in a game-breaking third quarter that led Duke to an 11-8 victory over Cornell in the second game of a Sunday's doubleheader at Princeton University.
The second-seeded Blue Devils (16-2) will face third-seeded Maryland (11-5), which survived a late illegal stick penalty to defeat Georgetown 9-8 on a goal by Andrew Schwartzman with 56 seconds left in overtime in the first game.
Top-seeded Johns Hopkins (14-0) defeated Massachusetts 19-9 and fourth-seeded Virginia (11-3) beat Navy 10-8 on Saturday to gain their Final Four spots.
Maryland nearly cost itself a trip to the national semifinals.
With the Terps leading 8-7, Bill McGlone scored what seemed to be a clinching goal into an empty net with 1:33 to play.
Georgetown had the officials check McGlone's stick, and they found the ball did not roll out when it was held at a 45-degree angle, making it illegal. The ruling nullified the goal and the Terps were assessed a three-minute non-releasable penalty.
Twenty-nine seconds after the stick infraction, Pete Cannon scored his second goal to tie the game at 8-8 with 1:04 left in regulation.
That left Georgetown with 2:31 to win the contest, either in regulation or overtime.
Maryland didn't let it happen.
Schwartzman, who also had a career-high three assists, came out of the left side of the net, deked past a Georgetown defender and sent a shot over the shoulder of Hoyas goalie Rich D'Andrea to set off a wild celebration by Maryland.
Joe Walters had four goals and goalie Harry Alford made 12 saves for Maryland. Max Ritz had two goals and an assist and Xander Ritz added a goal and an assist as the Terps advanced to the national semifinals for the 18th time and the first time since 2003.
Brendan Cannon had three goals for Georgetown, which also got tallies from Trevor Casey, Matt McBride and Scott Kahoe. The Hoyas now have lost in the quarterfinal round the last four years, including three times by one goal.
The second game wasn't as close.
Duke, which led the nation in scoring, outscored Cornell 7-0 in the third quarter to turn a one-goal halftime lead into a laugher.
Defenseman Casey Carroll started the run 20 seconds into the second half and Danowski, Zack Greer and Dan Flannery each added two goals apiece.
Kevin Nee and Sean Greenhaigh scored two goals apiece for Cornell, which scored five straight fourth-quarter goals to make the game close. Derek Haswell had a goal and two assists, while Kyle Georgalas, Joe Boulukos and Justin Redd all tallied for the Big Red (11-3).