McLean debuted for Melbourne in 2004, showing instant maturity and decision making ability quickly.

McLean's 2006 season was interrupted by leg and hamstring injuries, but when playing he had immediate impact and was sorely missed when not available for selection.

McLean started the 2007 season in the worst possible way, sustaining a serious foot injury in round one, playing against St Kilda.

He played a total of nineteen games for the Bullants through the season, and won the Laurie Hill Trophy as best and fairest.

[4] Despite this good form at VFL level, he could not gain regular selection for Carlton, playing only four AFL matches for the year.