Sheffield United fan Kyle Walker hits winner for Manchester City

Walker marked his 100th Premier League appearance for City with the winning goal

Manchester City's Kyle Walker celebrates scoring his side's first goal of the game with Rodri (right) during the Premier League match at Bramall Lane, Sheffield.

Premier League: Sheffield United 0 Manchester City 1

Kyle Walker marked his 100th Premier League appearance for Manchester City with the only goal of the game against his former club Sheffield United at Bramall Lane.