High School: Rosenzweig played four years of varsity baseball. His senior year he was voted captain of his team as well as team MVP, Pitcher of the year and Offensive player of the year. He was also put on the 1st team all conference team, 2nd team all county team, and was also on the senior all star team for the northwest part of New Jersey.

Personal: Son of Alan Rosenzweig and Donna Rosenzweig and has one brother, Ben Rosenzweig who attends Lehigh University and is a Junior.