 A native of Sudbury, Ontario, Green played senior hockey in his hometown and was a member of the team that won the Northern Ontario senior championship in 1915.He joined the Canadian military in 1916, serving and playing with the 227th Battalion in the Ontario Hockey Association senior division in 1916–17.Deployed overseas in 1917, Green fought in the Battle of Passchendaele where he was a victim of a gas attack.