His coaching may not have reaped much for the Royals, in fact his final stint came at the end of a prolonged era of frustration for the club. However under Cronin the calibre of such players as Ted Kilmurray, Paul Seal, Kevin McGill, John Watts, Ray Webster and most notable of all Graham 'Polly' Farmer joined the club. From this one would suggest that he helped lay the foundations for the East Perth golden era that would begin when Jack Sheedy took over in 1956.