Led by Joe Robertson's five goals, No. 2 Duke rebounded from Wednesday's stunning loss to High Point with a 15-8 decision over host Jacksonville in men's lacrosse Saturday.
The Blue Devils held the host Dolphins scoreless for the final 22:47.
Brian Smyth provided a big spark for the Blue Devils (2-1), winning 17-of-23 draws and scoring a pair of goals. He also picked up 14 ground balls, matching his season high.
Evan Tyler led all Jacksonville players with three goals, while Eric Applegate added a goal and three assists.
Defensively, Duke limited the Dolphins to six shots in the fourth quarter and only 12 in the entire second half.
No. 8 Denver 11, Air Force 4: Freshman Ellis Geis had a hat trick in his first collegiate game to lead the host Pioneers (1-0) past the Falcons (0-1). Brett Boos won 15 of 19 faceoffs for Denver. The Pioneers opened with a 5-0 run.
No. 9 Penn State 27, Robert Morris 10: The host Nittany Lions broke the school's 43-year-old goals record that was set in 1976 in a 26-5 win at Lafayette.
Fifteen playes scored and 17 had at least a point for Penn State (2-0).
No. 12 Rutgers 19, St. John's 15: Kieran Mullins had six goals and three assists to lead the visiting Scarlet Knights (2-0) past the Red Storm (0-1). Rutgers trailed 2-0 in the first quarter before going on a 5-0 run that spanned the first and second quarters.
Hofstra 4, No. 13 Lehigh 3: The visiting Pride (1-0) went on a 3-0 run in the fourth quarter to beat the Mountain Hawks (1-1). Ryan Tierney scored the game-tying goal with 11:43 left to play and Matt Elder had the game-winner with 1:42 remaining.
No. 15 North Carolina 14, Furman 10: Senior Andy Matthews (Gilman) recorded a career-high five assists and freshman Zachary Tucci won the sixth most faceoffs in a game in UNC history as the Tar Heels (2-0) held off the visiting Paladins (0-2).
The Tar Heels built a six-goal lead early in the third quarter before the Paladins pulled back within three goals midway through the third period. UNC responded with five straight goals to gain its biggest lead of the game at 14-6 before the Paladins ended the game on a four-goal run.
Alex Trippi led the Tar Heels with three goals, the first hat trick of his career. Tanner Cook, William Perry, Brian Cameron and Ara Atayan each had two goals for the Tar Heels while Timmy Kelly (Calvert Hall), Nicky Solomon and Jacob Kelly (Calvert Hall) each scored.
No. 16 Ohio State 17, Boston U. 10: Jack Jasinski had five goals and Tre Leclaire had four goals to lead the host Buckeyes (2-0) past the Terriers (1-1).
Army 12, No. 18 Massachusetts 11, OT: AJ Barretto (St. Paul's) had a career-high 17 saves and Brendan Nichtern scored the game-winner 26 seconds into the overtime to lift the visiting Black Knights (1-0) over the Minutemen (0-1).
No. 19 Georgetown 13, Sacred Heart 10: Jake Carraway (St. Mary's) and Daniel Bucaro scored three goals each to lead the host Hoyas (1-0) past the Pioneers (0-1).
No. 20 Michigan 10, Cleveland State 8: Alex Buckanavage had three goals and two assists to lead the Wolverines (1-0) past the host Vikings (0-2).
No. 1 Boston College 20, Boston U. 6: Kenzie Kent had five goals and four assists to lead the host Eagles (1-0) past the Terriers (0-1). B.C. led 11-4 in the first half.
No. 3 North Carolina 18, No. 4 James Madison 7: The host Tar Heels (1-0) scored nine goals per half to beat the Dukes (0-1). Jamie Ortega had five goals for Carolina.
No. 6 Florida 16, No. 18 Colorado 9: Grace Haus (Notre Dame Prep), Lindsey Ronbeck and Shannon Kavanagh each scored four goals to lead the Gators (1-0) past the host Buffaloes (0-1). Florida's defense held Colorado to 24 percent shooting and forced 13 turnovers.
No. 11 Virginia Tech 14, Bucknell 4: Emma Crooks had four goals to lead the host Hokies (1-0) past the Bison (0-1). Virginia Tech took an 8-1 lead in the first half.
No. 19 Duke 19, Villanova 9: The host Blue Devils (1-0) scored eight goals in the first 12 minutes and beat the Wildcats (0-1). Charlotte North scored three of her game-high five goals in the first five minutes for Duke. Catherine Cordrey had four goals and Olivia Jenner (McDonogh) had three goals for the Blue Devils.
No. 20 Southern California 15, Hofstra 10: The host Trojans (1-0) used a 10-5 run in the second half to pull away from the Pride (0-1). The game was tied 5-5 in the first half. Katie Ramsay led USC with a hat trick.