Educated at Caulfield Grammar School, Kellaway debuted for Richmond in 1993, tallying 27 possessions in his first AFL match. He played State of Origin football on several occasions for Victoria, and retired in 2004 having played 180 senior games. He played just eight games in his final two seasons due to injuries. His brother Andrew was drafted to Richmond in 1997, and they lined up in the same back line.
