Career
He appeared in the Football League for, Clapton Orient, Southend United and Fulham. A left back, Rosier"s progress was halted by the outbreak of the First World War in 1914 and he went off to fight. After the armistice, Rosier returned to and played in the successful London Combination title-winning side.
After "s election to the Football League Division Three South, Rosier made his league debut for the club in a 3-0 defeat to Exeter City on 28 August 1920.
He went on to make 99 professional appearances for the club before departing in February 1923. He later played for Clapton Orient, Southend United, Fulham and Folkestone.
Both brothers were interred in prisoner of war camps in Douai, Dülmen and Münster before being repatriated in November 1918.