Robert Mercer (21 September 1889 – 23 April 1926) was a Scottish footballer who played for Leith Athletic, Heart of Midlothian, Dunfermline Athletic and Scotland.[A Record of pre-war Scottish League Players], John Litster / Scottish Football Historian magazine, October 2012 Mercer served in the British armed forces during the First World War, but he was a victim of a gas attack and did not fully recover.
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London Hearts profile (Hearts) London Hearts profile (Scotland) London Hearts profile (Scottish League)