Charles Robbins Mertz Jr. (born December 4, 1996) is an American professional soccer player who plays as a midfielder for USL Championship club Pittsburgh Riverhounds SC.
[1] Mertz also played with Premier Development League sides Chicago FC United[2] and Burlingame Dragons.
[5] Mertz signed his first professional deal with USL Championship club Pittsburgh Riverhounds on March 29, 2019.
[7] Mertz quickly became a fixture for Atlanta 2, wearing the captain's armband often in 2021 and in every match he played in 2022.
On July 20, 2022, Mertz returned to Pittsburgh Riverhounds SC in exchange for conditional compensation.