Career
Grinter played most of his football either as a ruckman or in defense. A left-footed player, he was recruited to Essendon from Ararat. From 1974 to 1976, Grinter put together 46 consecutive games and was the runner-up in Essendon"s 1975 "Best and Fairest" award.
The following year he was the club"s equal third best performer in the count.
After a season as captain-coach of Hobart in 1977, Grinter resumed his VFL career at Richmond but could only manage six appearances. He went on to coach Queensland Australian Football League (QAFL) club Windsor-Zillmere from 1983 to 1984.