William 'Billy' Leeds was an Australian rules football

Australian rules football

Australian rules football, officially known as Australian football, also called football, Aussie rules or footy is a sport played between two teams of 22 players on either...

er who played with Carlton

Carlton Football Club

The Carlton Football Club is a professional Australian rules football club based in Melbourne, Victoria. The club competes in the Australian Football League, and was one of the eight founding members of that competition in 1897...

 in the Victorian Football League

Australian Football League

The Australian Football League is both the governing body and the major professional competition in the sport of Australian rules football...

 (VFL).

Leeds, who could play both forward and down back, had his first season for Carlton in 1903 but then retired to pursue an umpiring career. After officiating in two games early in the 1904 VFL season

1904 VFL season

Results and statistics for the Victorian Football League season of 1904.-Premiership season:In 1904, the VFL competition consisted of eight teams of 18 on-the-field players each, with no "reserves", although any of the 18 players who had left the playing field for any reason could later resume...

, Carlton lured him back to the club to fill a gap left by injuries and he starred from the half back flank in their Semi Final win over Essendon. He also played in their losing Grand Final that year which makes him the only league footballer to umpire a match and appear in a Grand Final in the same season.