Princeton University Athletics
2026 Men's Lacrosse Roster

Jersey Number 66
Cooper Mueller
- Position:
- SSDM
- Height:
- 6-3
- Weight:
- 180
- Class:
- Junior
- Hometown:
- Villanova, Pa.
- High School:
- Radnor
At Princeton
2026
First-team All-Ivy League ... Has three goals and three assists, with 10 caused turnovers and 17 groundballs ... had goals against Maryland, Rutgers and Lehigh and assists against Penn (two) and Vermont ... has nine career goals on 17 career shots (.529) ... member of the basketball team in the winter ... father Kit was two-time Ivy League men’s basketball Player of the Year
2025
Third-team USA Lacrosse Magazine All-American ... Honorable Mention USILA All-American ... First-team All-Ivy League ... had six goals, 36 ground balls and 12 caused turnovers — becoming the first Princeton shortstick ever to achieve those numbers without ever taking a face-off ... had a goal, two GBs and a CT against Syracuse in NCAA quarterfinal ... also had a goal in NCAA opening round win over Towson ... had goals against Rutgers, Dartmouth, Brown and PennÂ
2024
Had 8CT, 9GB ... second among Princeton freshman shortsticks in caused turnovers all-time, behind only Jake Stevens ... had two CTs against Duke and Brown ... had a CT and 2GBs in NCAA tournament game against Maryland
At Radnor High School
All-Delco Player of the Year, All Phillylacrosse co-Player of the Year, Central League MVP, All-State (PA), Academic All-State, Nike senior All-American. All-Delco and All Central League basketball Honorable Mention. Radnor High School Outstanding Male Athlete Award and the Athletic Alumni Award.
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Personal
Father Kit Mueller (Princeton basketball ’91, two-time Ivy League Player of the Year), Mother Kristine Mueller(University of Washington ‘92), older brother Bennett Mueller and older sister Ellie Mueller (Princeton lacrosse ‘24)
2026
First-team All-Ivy League ... Has three goals and three assists, with 10 caused turnovers and 17 groundballs ... had goals against Maryland, Rutgers and Lehigh and assists against Penn (two) and Vermont ... has nine career goals on 17 career shots (.529) ... member of the basketball team in the winter ... father Kit was two-time Ivy League men’s basketball Player of the Year
2025
Third-team USA Lacrosse Magazine All-American ... Honorable Mention USILA All-American ... First-team All-Ivy League ... had six goals, 36 ground balls and 12 caused turnovers — becoming the first Princeton shortstick ever to achieve those numbers without ever taking a face-off ... had a goal, two GBs and a CT against Syracuse in NCAA quarterfinal ... also had a goal in NCAA opening round win over Towson ... had goals against Rutgers, Dartmouth, Brown and PennÂ
2024
Had 8CT, 9GB ... second among Princeton freshman shortsticks in caused turnovers all-time, behind only Jake Stevens ... had two CTs against Duke and Brown ... had a CT and 2GBs in NCAA tournament game against Maryland
At Radnor High School
All-Delco Player of the Year, All Phillylacrosse co-Player of the Year, Central League MVP, All-State (PA), Academic All-State, Nike senior All-American. All-Delco and All Central League basketball Honorable Mention. Radnor High School Outstanding Male Athlete Award and the Athletic Alumni Award.
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Personal
Father Kit Mueller (Princeton basketball ’91, two-time Ivy League Player of the Year), Mother Kristine Mueller(University of Washington ‘92), older brother Bennett Mueller and older sister Ellie Mueller (Princeton lacrosse ‘24)
Into the Ivy: 2026 Princeton Men's Lacrosse
Sunday, May 10
Sticks and Stripes - May 8, 2026
Friday, May 08
Sticks and Stripes - April 17, 2026
Friday, April 17
Sticks and Stripes - March 4, 2026
Thursday, March 05




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