Christopher John Wilder (born 23 September 1967) is an English professional football manager who formerly played as a right-back. He is the manager of EFL Championship club Sheffield United. Wilder's extensive professional playing career saw spells at Sheffield United (twice), Rotherham United, Notts County, Bradford City, Brighton & Hove Albion and Halifax Town. He also had loan spells at five clubs.
https://en.wikipedia.org/wiki/Chris_Wilder