Recruited out of the QAFL as a mature-age player in 2012, Zorko has won the Merrett-Murray Medal five times, in 2015, 2016, 2017, 2018 and 2021, and was All-Australian in 2017 and again in 2024, by which time the 175cm former captain had moved permanently to half-back. He handed back the captaincy at the start of 2023. He has played 318 games and kicked 240 goals.