Thomas DeNapoli and Greg Cuccinello each scored twice against the Hoyas (2-1). Georgetown scored three goals in the final quarter to Towson's one.
No. 13 Loyola Maryland 16, Holy Cross 4: Nikko Pontrello scored five of his career-high six goals during a 14-0 run as the visiting Greyhounds (3-1, 1-0 Patriot League) beat the Crusaders (0-2, 0-1).
Loyola's Brian Schultz and Kevin Ryan also had career highs in goals, with three each. Schultz had career bests in points (seven) and assists (four) as well.
UMBC 10, Monmouth 8: Matt Gregoire (South River) scored two of his game-high four goals in the fourth quarter to lead the host Retrievers (1-1) past the Hawks (0-1).
UMBC ended the game with a 3-1 run.
Bucknell 9, Navy 6: The Midshipmen (1-2, 0-1 Patriot League) opened with a 2-0 lead, but the Bison (2-1, 1-0) answered with a 4-0 run in the second quarter and Navy never recovered.
Delaware 15, Mount St. Mary's 5: The Mount (0-3) was held scoreless in the first half, and the Blue Hens (2-0) opened the second half with a 6-2 run.
Rochester Institute of Technology 15, Stevenson 14, OT: Taylor Wiseman scored the game-winner with 1:43 left in overtime as the Tigers (1-0) beat the Mustangs (1-1) in Syracuse, N.Y., in a rematch of the 2013 national title game.
Salisbury 11, Widener 3: Alex Taylor made 12 saves, and the visiting Sea Gulls (3-0) scored three goals in the first five minutes against the Pride (0-1).
Frostburg State 12, DeSales 3: The host Bobcats (1-0), led by Chris Rios and Spenser Love (Winters Mill) with three goals each, opened with a 5-0 lead over the Bulldogs (0-1).
Washington College 16, Goucher 7: The host Shoremen (1-0) outscored the Gophers (0-1) 12-2 in the second half to win.
Mary Washington 12, McDaniel 7: Patrick Serio (Marriotts Ridge) had three goals, but the host Green Terror (0-1) lost to the Eagles (3-0).
Dickinson 13, St. Mary's 8: The Red Devils improved to 2-0 and the Seahawks fell to 1-1 in a game played at St. Paul's.
No. 8 Loyola Maryland 15, No. 16 Princeton 10: Molly Wolf (Bryn Mawr) recorded 11 saves, her second straight double-digit effort, to lead the host Greyhounds (2-0) past the Tigers (0-1).
Eight Loyola players scored, with hat tricks from Marlee Paton, Hannah Schmitt and Annie Thomas (John Carroll).
No. 19 Towson 14, No. 9 Georgetown 10: Andi Raymond had four goals and the host Tigers (2-0) upset the Hoyas (1-1).
Georgetown is the highest-ranked opponent the Tigers have beaten since since defeating No. 9 James Madison in 2011.
UMBC 11, American 10, 3OT: Freshman Mackenzie Reese (John Carroll) scored off a feed from Rachel Benzing (Centennial) with 13 seconds left in the third overtime to lift the host Retrievers (1-2) over the Eagles (1-2).
Abby Wilson (Fallston) scored her fourth goal with 3:11 left to force overtime.
Lehigh 10, Mount St. Mary's 4: Erin Seipp (Notre Dame Prep) had two goals for the Mount (0-2), but the host Mountain Hawks (1-0) used a 10-2 run to win.
Salisbury 9, Stevenson 6: Shannon Carter and Shelby Nemecek each had a hat trick, and the Sea Gulls (2-0) beat the host Mustangs (0-2) for their 25th straight win.
Goucher 9, Bridgewater (Va.) 8: The host Gophers (1-0) took a 7-4 halftime lead and scored six of the final seven to outlast the Eagles (0-1).
Johns Hopkins 19, Bucknell 7: Taylor D'Amore had four goals and four assists to power the host Blue Jays (3-0) past the Bison (0-3).
Allegheny 16, Frostburg State 10: Ellie Garner had three goals for the host Bobcats (0-1), who were undone by a 7-0 run by the Gators (1-0).
Dickinson 10, St. Mary's 6: The Seahawks fell to 1-1 and the Red Devils improved to 2-0 in a game played at St. Paul's.
Hood at Waynesburg, ppd.: The season opener for both teams was postponed because of poor field conditions. No makeup date has been announced.