Kelly played junior football for the Glen Iris Gladiators in the
Yarra Junior Football League, making over 100 appearances for them. He played at his school,
Scotch College, mostly as a
forward. Kelly also played under-18s football for the
Oakleigh Chargers in the
TAC Cup, before getting selected by
Collingwood. In 2017, he played only one game for Oakleigh Chargers. He played his last four games of the season with a
stress fracture in his ankle. playing all four games. During the
2019 AFL season, his first season on Collingwood's books, Kelly made four appearances with the club's
Victorian Football League (VFL) side. ==AFL career==