The Midshipmen have won 12 straight season openers.
Navy's 11-member senior class will be honored at 1:40 pm on Saturday.
Lehigh jumped out to a 5-1 lead on the Mids after the first quarter.
The Raiders jumped out to a 4-0 lead en route to beating the Mids, 11-3.
Navy's 20 goals are the most it has scored since beating Holy Cross 23-4 in 2004.
Army vs. Navy - April 13
Navy vs. Maryland - April 5
Navy vs. Lafayette - March 9
Navy vs. Georgetown - Feb. 24
2012 Navy Lacrosse - North Carolina
Christopher in 2012 (Jr.): Played in nine of the 12 games in 2012, making three starts at close defense ... turned in six caused turnovers this season ... a member of the Mids' man-down unit that was ranked eighth nationally, stopping 75.0 percent (30 of 40) of its opponents' extra-man opportunities ... produced a pair of takeaways against Bucknell, while also picking up a pair of ground balls ... caused two turnovers against North Carolina and scooped up a pair of grounders ... made his first-collegiate start on Feb. 19 against Jacksonville ... subbed in for Nik Mullen who pushed up to pole because of an injury to Pat Kiernan ... grabbed a career-high tying three ground balls and caused a pair of turnovers against the Dolphins.
2011 (So.): A substitute player on man down for the Mids ... Navy squelched 27 of its opponents' 40 attempts (.675) ... saw expanded minutes on close defense as the season progressed ... picked up a ground ball in the Mids' season finale against Johns Hopkins ... recorded a pair of ground balls and forced a turnover against Maryland ... it marked his first-collegiate takeaway ... scooped up a career-high three ground balls in the Mids' come-from-behind win over Towson ... grabbed the first ground ball of his career in Navy's loss at North Carolina ... made his collegiate debut as a member of the Mids' man-down team at Loyola ... has gained experience in the system as a scout team player for the Mids.
2010 (Fr.): Did not see any varsity action ... gained experience in the system as a scout team player.
More on Christopher: A 2008 graduate of Episcopal High School in Alexandria, Va., Christopher spent the 2008-09 academic year at Salisbury Prep School in Connecticut ... served as team captain of the lacrosse team his senior year ... earned four letters as a linebacker on Episcopal's football team ... garnered All-State (N.C.) football honors as a junior ... father played football at Duke, while his mother was a standout tennis player at Wake Forest ... son of Jeff and Cindy Christopher ... majoring in English, he holds a 3.24 grade-point average ... named to the Commandant's List in the Spring of 2010, as well as the Fall of 2012 ... his service assignment is Navy Pilot.