Rules of the Game: The referee alone is authorized to allow an injured player to re-enter the field, whether the ball is in play or not.
Karl-Heinz Korbel, who played for Eintracht Frankfurt from 1972 to 1991, holds the record for Bundesliga appearances with 602.
The Houston Dynamo edged the New England Revolution in the MLS Cup in both 2006 and 2007.
Hungary scored 27 goals in the 1954 World Cup, more than any other country in a single World Cup.
Manchester City has the largest pitch of any club in the English Premier League: 116 x 77 yards.