Jean Pierre Eloff is the younger brother of Eagle No. 209 Phillip Eloff. The younger Eloff played college rugby at Davenport University, winning a D1-AA National Championship in his freshman year. Eloff was chosen as "2011 College Player of the Year" by RUGBYMag and would earn multiple Collegiate All American honors.
Eloff made his Men's Eagles debut in the 2016 Americas Rugby Championship against Canada in Round Rock, Texas. Following the conclusion of the tournament, Eloff signed with the Ohio Aviators of PRO Rugby North America. Though he missed most of the PRO Rugby season due to injury, Eloff was named to the USA Rugby Selects for the developmental Americas Pacific Challenge competition in the fall of 2016.