[1] Clay was killed in arguably speedway's worst crash on 20 January 1950, which also saw fellow Australian Ray Duggan lose his life.
[4] However, it was not until 1948 that he was one of three Australian riders brought over to race in British speedway by the Exeter Falcons manager Frank Buckland for the 1948 season, the others being Hugh Geddes and Keith Gurtner.
[6] He was an instant hit, recording a 8.73 average from 51 matches[7] and this helped Exeter win the 1948 Speedway National League Division Three.
[10] On 20 January 1950, Clay and fellow Australian Ray Duggan were both killed at the Sydney Sports Ground after a crash in heat 8.
[11][12] His older brother Sidney Clay was a speedway rider and mechanic and drowned in 1939 after being swept out to sea while fishing.