Sharp retires after incredible 22-year career

Billy Sharp made 377 appearances for home-city club Sheffield United [Getty Images]Sheffield United legend Billy Sharp has announced his retirement from football at the age of 40.Sharp, who played for Rushden & Diamonds, Scunthorpe United, Southampton, Nottingham Forest, Reading, Leeds United and Doncaster Rovers as well as the Blades during a 22-year professional career, during which he scored 299 goals.He had been a free agent since leaving Doncaster at the end of last season, when he sign