Robert "Big Bob" Isbister Sr. (June 9, 1885 – April 29, 1963) was a star football player in the Ontario Rugby Football Union 1905-1906 and then in the Big Four (IRFU) 1907-1915, 1919 for twelve seasons for the Hamilton Tigers. After retiring, he was a referee.
|Born:||June 9, 1885|
|Died:||April 29, 1963 (aged 77)|
|1905–1915, 1919||Hamilton Tigers|
|Career highlights and awards|
|Honours||Grey Cup Champion – 1913|
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