Jenna Collins scored the game-winning goal with 16 seconds remaining in overtime.
No. 10 Navy led 10-2 early, but fell on the road 19-16 to No. 6 Florida.
The game was moved to Tuesday due to impending inclement weather expected in Philadelphia.
Twenty-eight players saw action in the 22-11 victory over Winthrop.
Navy will begin its 10th season of Division I play.
Played in nine games on the season … Grabbed four ground balls and caused three turnovers … Made collegiate debut in the season opener against Longwood … Had a season-high two ground balls at George Washington, while adding ground balls at No. 10 Duke and at Liberty … Caused turnovers against Liberty, George Washington, and Lafayette.
High School / Personal: A 2015 Bishop Ireton High School graduate, lettering for four seasons in lacrosse … Spent a year at the Peddie School in Hightstown, N.J. before coming to the Academy … Named a First Team All-Washington Catholic Athletic Conference and a First Team All-Virginia Independent Schools Athletic Association honoree in 2014 … Led squad to the 2014 WCAC and VISAA Championship titles then repeated in 2015 as VISAA Champions … Garnered US Lacrosse Academic All-America in 2014 and 2015 … Member of National Honor Society … Daughter of Dick and Laura Irwin … Both sisters, Eva and Madeline, played collegiate lacrosse … Eva played three seasons at Monmouth University (2013-15) and Madeline competed in two seasons at UMBC (2011-12).