Peter Nicholas Williams (born 14 December 1958 in Wigan) is an English born former physical education and history teacher, a physiotherapist, and Dual-code international rugby union and professional rugby league footballer of the 1980s and '90s, playing representative level rugby union (RU) for England, and Lancashire, and at club level for Orrell R.U.F.C., as a Fly-half, i.e. number 10, and playing representative level rugby league (RL) for Great Britain, and Wales, and at club level for Salford, as a Centre. Peter Williams was the first, and as of 1 January 2012 the only, footballer to play rugby union for England, and rugby league for Wales.
Rugby union playing career
Williams won caps for England (RU) while at Orrell in the 1987 Five Nations Championship against Scotland and in the 1987 Rugby World Cup against Australia, Japan, and Wales.
Rugby league playing career
Williams won 2 caps (plus 1 as substitute) for Wales (RL) in 1992 while at Salford,and won caps for Great Britain (RL) while at Salford in 1989 against France (2 matches).
Rugby League County Cup final appearances
Williams played Fullback in Salford's 17–22 defeat by Wigan in the 1988–89 Lancashire Cup final at Knowsley Road, St. Helens on Sunday 23 October 1988.
Williams is the son of the Llanelli RFC (RU) Prop, and Wigan (RL) Second-row of the 1950s, Roy Williams.