O’Brien picked up two ground balls against Boston (7/18), scored two goals against Chesapeake (7/19), recorded one ground ball and one goal against Denver (7/21). O’Brien also scored three goals and assisted twice against Connecticut (7/22) this past season. O’Brien is a native of Bethesda, Maryland and attended Landon School. In high school, he was listed No. 80 on Inside Lacrosse top-100 rankings for incoming freshmen. He earned three varsity letters in lacrosse and two in soccer. O’Brien recorded 115 career points in lacrosse, 22nd-most in the program history. In 2014, he was a US Lacrosse All-American. He also earned second team all-state, second-team All-Gazette, First Team All-Met, and First Team All-IAC honors. In addition, O’Brien earned All-Gazette and All-IAC honors as a junior, and team captain as a senior, when he helped lead Landon to an 18-4 record and an IAC co-championship. The team also won the IAC title in 2012. O’Brien currently resides in his hometown of Bethesda, Maryland, where he is currently going back to school for his master's degree in Real Estate at Georgetown University.
- Game-Worn for the 2020 season
- White Authentic Away Jersey
- Size: L