Gallagher was recruited from the Prahran Dragons in the TAC Cup to the Adelaide Football Club with the 32nd selection in the 1998 AFL Draft.
[1] After playing 26 games over three seasons, including an AFL Rising Star nomination in 1999[2] he was traded to Carlton in return for Ben Nelson.
[4] After his AFL career, Gallagher has had a long and successful Victorian Football League (VFL) career with the Sandringham Football Club, playing more than 150 games between 2003 and 2011.
[5] However, immediately prior to the 2012 season, he became frustrated with the nature of Sandringham's reserves affiliation with AFL team St Kilda, and left the club.
This Australian rules football biography of a person born in the 1980s is a stub.