A successful player with Reading, he was remembered for his hat-trick scored against Italian giants AC Milan in the Biscuitmen's 5–0 victory on 13 May 1914. The result prompted the leading Italian newspaper Corriere della Sera to report that "without doubt, Reading FC are the finest foreign team seen in Italy". Foster finished his professional career with Reading with 73 goals.
A player who excelled in Reading, he was renowned for his hat-trick against Italian giants AC Milan in a 5–0 victory on May 13, 1914. The outcome led to the leading Italian newspaper Corriere della Sera proclaiming that "without doubt, Reading FC are the finest foreign team seen in Italy". Foster concluded his professional career with Reading with 73 goals.