In 1980, he signed with the Vancouver Whitecaps of the North American Soccer League, playing five seasons with them.
In September 1980 Lowther, along with three Canadian teammates signed for University College Dublin A.F.C.
[3] In 1987, he signed with the Vancouver 86ers of the newly established Canadian Soccer League.
The team was inducted into the BC Sports Hall of Fame for their unbeaten streak of over 50 games during the 1987 and 1988 seasons.
He has just assumed the post of general manager of NSD Soccer Club in Calgary, Alberta.