[8][9][c] At the end of the year, at the age of just 22, Hamer was granted a clearance to join Wimmera Football League side Horsham as playing coach.
In his first season, he finished second in the Toohey Medal and led Horsham to the grand final, which they lost to Nhill, the game decided off the last kick.
[12] After leaving Horsham he played with Geelong West, then in 1972 joined Barwon Heads and was best on ground for the club in that year's grand final win.
[19] In the 1963/64 summer, Hamer was chosen to represent a Victorian Country XI, against the touring South Africans at Kardinia Park.
[20] When the Marylebone Cricket Club (MCC) came to Horsham in 1970/71, Hamer again represented Victoria Country and dismissed Colin Cowdrey leg before wicket for a duck.