Maryland seniors combined to score 14 points on "Senior Day" to power the Terps' offense.
Amato makes career-best 24 saves, while Chanenchuk finishes his hat trick with the game-winning goal.
Maryland moves to 8-1 for the first time since 2004 with the victory.
Charlie Raffa won 15-of-18 faceoffs with 11 groundballs, a goal and an assist to lead No. 1 Maryland.
Mike Chanenchuk sets his career high with six points vs. the Blue Devils.
An in-depth preview of the 2012 Maryland men's lacrosse team, featuring interviews with head coach John Tillman and team captains Jesse Bernhardt, Joe Cummings and Drew Snider.
As a freshman (2012): Made his collegiate debut in 16-11 win at Georgetown (2/24) ... scored his first goal and added his first career assist in 17-4 win over Marist (3/10) ... saw late time in 11-5 win over No. 10 Villanova (3/17) ... filled in for Kevin Cooper on the second midfield line in 12-8 loss to No. 2 Virginia ... one goal in 12-7 win over Bellarmine (4/28) ... one goal in 13-11 loss at No. 12 Colgate (5/5) ... one groundball in 10-9 win at No. 7 seed Lehigh (5/13) in first round of NCAA tournament ... one groundball in 16-10 win over No. 3 Duke (5/26) in the semifinals of the NCAA tournament.
Before Maryland: 2011 Under Armour High School All-American ... two groundballs for North team in UA All-America game ... honorable mention ESPNHS All-American ... ranked the No. 6 freshman midfielder in the nation according to Inside Lacrosse ... ranked the 31st overall recruit by Inside Lacrosse ... two-time letterwinner for Coach Keith Wieczorek ... helped lead the Friars to back-to-back NSCHSLAA titles and a 38-5 record over his two seasons ... two-time all-league selection ... totaled 47 goals, 43 assists and 155 groundballs ... team captain as a senior ... also was a two-year letterwinner in football as a running back ... helped the Friars to two undefeated seasons and two Catholic League championships ... all-league as a senior.Personal: Son of Joe Sr. and Maria LoCascio ... older brother of Emily, Megan and Abigail ... nephew and godson of Sal LoCascio, Hall of Fame lacrosse goalie ... enrolled in letters and sciences.