He played football for North East Australian Football League club Labrador,[1] and he represented Queensland at the 2011 AFL Under 18 Championships.
[2] After the 2012 season, Fields moved to Adelaide and played in the South Australian National Football League for South Adelaide as a tall attacking defender, where he played for two seasons.
[1] Fields was then recruited to the AFL at age 22 by Carlton in the third round of the 2015 Rookie Draft (pick No.
[1] He played much of the 2015 season with Carlton's VFL-affiliate, the Northern Blues, before making his senior AFL debut in round 15, 2015.
Fields became noted during his time in the SANFL for his ability to kick long torpedo punts, and prior to being drafted by Carlton he had considered his options of studying and playing American football as a punter at an American college.