A key position player, Watson began his career primarily as a tall defender, then later transitioned into a forward.
He played TAC Cup football for the Calder Cannons.
[1] Watson was recruited by the Carlton Football Club with its first round selection in the 2010 AFL National Draft (number 18 overall).
He never won a regular position in the senior team, and was delisted at the conclusion of the 2015 season.
whenever Watson kicked the ball: Watson was the fourth long-kicking left-footed Carlton player to receive this traditional treatment, after Val Perovic in the 1980s, Ang Christou in the 1990s and Chris Bryan in the 2000s.