[1] On March 18, 2020, Biro was signed by the Buffalo Sabres of the National Hockey League as an undrafted free agent.
[2] He made his professional debut with Buffalo's AHL affiliate, the Rochester Americans, on February 12, 2021.
[1] Biro made his NHL debut for the Sabres on February 23, 2022, in a game against the Montreal Canadiens.
Biro left the Sabres organization after four seasons and was signed as a free agent to a one-year, $775,000 deal with the Seattle Kraken on July 1, 2024.
[5] Biro's younger brother, Jordan, plays collegiately for Colorado College.