POSITION: Midfielder
BIRTHDATE: 12/4/1996
HOMETOWN: Pittsburgh, Pa.
HEIGHT: 5’7″
WEIGHT: 155
PREVIOUS TEAM: Atlanta United 2
PRONUNCIATION: ROB-ee MURTS
BIO
Robbie Mertz is entering his seventh year with Riverhounds SC in 2026. It is his second stint with the team, after he was re-acquired via transfer from Atlanta United 2 on July 20, 2022.
Mertz, a graduate of Upper St. Clair High School in Pittsburgh’s South Hills, was a fourth-round MLS draft pick of the Colorado Rapids in 2019 after his college career at Michigan, but he signed his first professional contract back home in Pittsburgh.
Between the Hounds’ 2019 season atop the Eastern Conference and the pandemic-shortened 2020 season, Mertz posted 11 goals and eight assists as he established himself as one of the team’s best attacking options out of the midfield.
In 2021, he signed with Atlanta as a free agent and was an integral part of their team for a season and a half. He recorded four goals and 11 assists in 48 matches and wore the captain’s armband in 2022 before his mid-year transfer. Since returning to the Hounds, Mertz has been a mainstay in the midfield, leading the team in assists in 2024 and playing a key role in winning the 2023 Players’ Shield and 2025 USL Championship title.
In total with the Hounds, Mertz has 23 goals and 22 assists — one of only three players with at least 20 of each in team history — and he enters the year with 173 appearances, fifth in team history.
