A defender, Fiegert was a foundation player for Port Adelaide, signed up as one of their zone selections in the 1996 AFL Draft.
He missed selection for Port Adelaide's round one fixture but made his debut the following week in their first ever game at Football Park, against Essendon.
[1] Not selected for the next nine weeks, Fiegert kicked three goals on his return, playing as a forward against the Western Bulldogs.
[1] After playing in the opening five rounds of the 1999 AFL season, Fiegert wasn't picked again and was delisted at the end of the year.
Fiegert won a Mail Medal in 2005, while playing for Lucindale in the Kowree-Naracoorte-Tatiara Football League.