Question: Gwyn Williams recruited an English professional footballer who plays what position?

Context paragraphs:
Phil Walsh (English footballer): Phillip Andrew Walsh (born 4 February 1984) is an English professional footballer who plays for Welling United on loan from Bishop's Stortford.  His father Alan Walsh was also a professional footballer, making over 400 appearances in the Football League.

Andre Dozzell: Andre Leon Dozzell (born 2 May 1999) is an English professional footballer who plays as an attacking midfielder for Ipswich Town in the Championship.  He is the son of former professional footballer Jason Dozzell.

Gwyn Williams (football manager): Gwyn Williams is Leeds United's former Technical Director, and a former Chelsea chief scout who discovered John Terry and helped make a £14m profit on Tore André Flo for the London side.

Ben Pollock: Ben Pollock (born 6 January 1998) is an English professional footballer who plays as a defender.  His father, Jamie Pollock, is also a former professional footballer.

Gwyn Williams (rugby): Gwyn Williams is a Welsh rugby union and professional rugby league footballer who played in the 1930s, playing club level rugby league (RU) for Cardiff RFC, and playing representative level rugby league (RL) for Wales, and at club level for Wigan, as a wing , Centre , or second-row , i.e. number 2 or 5, 3 or 4, or, 11 or 12, during the era of contested scrums.

Sam Johnstone: Samuel Luke Johnstone (born 25 March 1993) is an English professional footballer who plays as goalkeeper for Aston Villa, on loan from Manchester United.  He has also spent time on loan with Oldham Athletic, Scunthorpe United, Walsall, Yeovil Town, Doncaster Rovers and Preston North End.  He was an England youth international, winning caps at under-16, under-17, under-19 and under-20 levels.  He is the son of Glenn Johnstone, a former professional footballer who played as a goalkeeper for Preston North End in the early 1990s.

Ryan Williams (footballer, born 1991): Ryan Anthony Williams (born 8 April 1991) is an English professional footballer who plays for Canadian club Ottawa Fury as a midfielder.  After beginning his career at Chester City, Williams came to prominence with Morecambe and built a reputation as a free kick specialist.  He won an international futsal cap for England.

John Terry: John George Terry (born 7 December 1980) is an English professional footballer who plays for and captains Championship club Aston Villa.  He commonly plays as a centre-back.  He was previously captain of Chelsea and the England national team.

Josh Murphy: Joshua "Josh" Murphy (born 24 February 1995) is an English professional footballer who plays for Championship club Norwich City.  He scored on his professional debut in a Football League Cup match against Watford.  He is the twin brother of professional footballer Jacob Murphy and brother of professional singer Daniel Murphy.

Luke Moore: Luke Isaac Moore (born 13 February 1986) is an English professional footballer who plays as a striker.  Moore has represented England at England U21 level and is the younger brother of former professional footballer, Stefan Moore.

Supporting paragraphs: Gwyn Williams (football manager) John Terry
Answer: centre-back