Completed Event: Men's Lacrosse versus Georgetown on May 10, 2025 , Loss , 12, to, 16

Career: Played in 81 games with 80 starts at close defense … Two-year team captain … Drafted third in the Premier Lacrosse League College Draft by Chrome LC … 2021 William F. Schmeisser Award winner as the nation’s top defenseman … 2019 and 2021 USILA All-America first team … 2018 USILA All-America third team … Two-time All-ACC … 2019 ACC Defensive Player of the Year … Holds the Duke record for caused turnovers with 89 … Picked up 147 ground balls in his career … Two-time All-ACC Academic Team … Three-time ACC Academic Honor Roll.
2021: Started all 17 games at close defense … Team Captain … William F. Schmeisser Award winner as the nation’s best defenseman … USILA All-America first team … Inside Lacrosse Media All-America first team … All-ACC … Ranked second among non-faceoff specialists in ground balls with 34 … His 19 caused turnovers also were second … Picked up at least one ground ball in 15 games … Duke’s best communicator around the crease and shared duties with the opponents’ toughest matchups … Collected four ground balls and caused two turnovers in overtime win over North Carolina (4/1) … Had two ground balls, one caused turnover and an assist at Virginia (4/15) … Held Virginia scoreless in the final 14:24 of the game to win in overtime in Charlottesville … Earned ACC Defensive Player of the Week for his performance against the Cavaliers … Notched a season-high three caused turnovers in NCAA quarterfinal win over Loyola (5/22) … Picked up six GBs in NCAA semifinal against Maryland (5/29) … His one caused turnover versus the Terrapins broke the Duke career record with 89 … All-ACC Academic Team … ACC Academic Honor Roll.
2020: Started all eight games on close defense … Inside Lacrosse First Team All-American … Led the team with 13 caused turnovers … Picked up 21 ground balls to rank second among non-faceoff specialists … Registered at least one ground ball in all eight games and had a caused turnover in seven of the eight games … Scored his first career goal in win over Furman (3/1) … Scooped up six ground balls and caused four turnovers in overtime victory against Richmond (2/28) … Forced two turnovers and had three ground balls in 15-13 win at Denver (2/15) … ACC Academic Honor Roll.
2019: Started all 18 games on close defense … USILA All-America first team … ACC Defensive Player of the Year … All-ACC … Tewaaraton Award nominee … Led the team with 26 caused turnovers to rank fifth in program history … Ranked third in the ACC in caused turnovers per game … Second on the team among non-faceoff specialists and goalies in ground balls with 38 … A leader on one of the best defensive units in the country, finishing the year ranked seventh nationally in scoring defense at 9.61 goals per game … Picked up at least one ground ball in 17 games … Recorded at least one caused turnover in 13 contests … Collected a season-best four ground balls in wins over Richmond (3/1) and Virginia (4/13) … Also had three caused turnovers versus the Spiders … Had multiple GBs in 13 outings … Forced a career-high four turnovers at Jacksonville (2/9) and against in win over No. 5 Towson (3/16) … Also had four caused turnovers against the Tigers … Recorded three caused turnovers in the setback at North Carolina (3/30) … Voted ACC Defensive Player of the Week after helping hold the nation’s top goal scorer to zero goals and only three shots in the win over No. 2 Loyola … Also garnered a second ACC Player of the Week honor after shutting down Notre Dame’s top scorer in victory over the Irish … Picked up multiple GBs in 14 games and at least two caused turnovers in seven contests.
2018 FIL World Championship: Suited up for Puerto Rico for the 2018 FIL World Championship … Started every game at close defense as Puerto Rico made its debut at the event.
2018: Played in 20 games with 19 starts at close defense … USILA All-America third team … Ranked second on the team in caused turnovers with 22 … Key member of the nation’s 12th-ranked defense in helping Duke post a 8.65 goals against average … Picked up 26 ground balls … Collected at least one ground ball in 14 games … Recorded multiple takeaways in seven contests … Had two ground balls and two caused turnovers in season-opening victory over Air Force (2/3) … Garnered ACC Defensive Player of the Week recognition for his performance against the Falcons … Forced a season-high three turnovers and picked up one loose ball in holding Loyola (3/10) en route to second ACC weekly award … Grabbed three ground balls in wins over North Carolina (3/30), Virginia (4/14) and Marquette (4/20) … Also had two caused turnovers versus the Cavaliers and Golden Eagles … Corralled two ground balls and forced two turnovers in NCAA Semifinal victory over Maryland (5/26) … ACC Academic Honor Roll.
2017: Started all 18 games at close defense … Ranked second among defensemen with 28 ground balls and tied for third with eight caused turnovers … Crucial member of defense that led the ACC and ranked 12th nationally with an 8.39 goals against average … The 8.39 goals allowed per game were the fewest by a Duke team since 2009 … Collected a career-high five GBs in win over Saint Joseph’s (2/25) … Picked up three ground balls in ACC Tournament setback to Notre Dame (4/28) … Forced a career-high three turnovers in NCAA quarterfinal loss to Ohio State (5/20) … Had two ground balls and a caused turnover in holding No. 12 Loyola (3/11) to just seven goals … Had multiple GBs in six games and had at least one in all 18 outings.
Before Duke: A four-year letterwinner for Andrew Decicco at Saint Joseph Regional High School … Corralled 511 ground balls as a defenseman during his scholastic career … Added 21 goals and 49 assists as a long pole … A four-time all-league first team pick … 2016 Under Armour All-American pick … Also named to USA Today All-American squad as a senior … Garnered first team all-county and All-North Jersey honors as a sophomore, junior and senior … First team all-state in 2015 and 2016 … Had a career-best 144 ground balls with six goals and 20 assists his senior season … Amassed at least 100 ground balls in each of his four seasons … Also letter three years in football … Named to first team all-state as a senior … Also garnered first team all-league and all-county honors in 2015.
Personal: Son of John Harris and Lynn Giles-Harris … Has two brothers, Will and Joseph, and one sister, Margaret … Father lettered in football at Southern Connecticut (1984-85-86) and older brother, William, lettered in football at Gannon (2009-10-11-12) … Brother, Joseph, was an All-American for the Duke football team ... Born July 17, 1998.