Ron came from Shellharbour on the South Coast of New South Wales and went to Shellharbour Public School(1948–1954), and then went to the Western Suburbs Magpies] in Sydney and played lower grades. He was signed by Collegians Wollongong RLFC (Illawarra Division) in 1967 by then Coach Kevin Smyth (a former Kangaroo 1963). Collegians won the Club Championship and First Grade Premiership that season with Costello representing NSW.
Ron played at Collegains in 1968 also and was then signed by Canterbury, in 1970 he was selected to play for Australia and toured New Zealand.
He returned to the Illawarra Competition in about 1974 with the Port Kembla Club.
He finished his career at Shellharbour in 1980 where it started.
- Whiticker, Alan & Hudson, Glen (2006) The Encyclopedia of Rugby League Players, Gavin Allen Publishing, Sydney