Derek "Rocky" Turner ( (1932-11-18) 18 November 1932 ) is an English professional Rugby League World Cup winning footballer of the 1940s, '50s and '60s, and coach of the 1960s, '70s, and '80s, playing at representative level for Great Britain, England, Yorkshire and Great Britain & France, and at club level for Hull Kingston Rovers, Oldham and Wakefield Trinity, with whom he won three Challenge Cup finals, as a Second-row, i.e. number 11 or 12, or usually Loose forward/Lock, i.e. number 13.