However, the game remains continuous and does not stop to allow substitutions.

As the rules did not allow substitutions, Denmark finished the game with one man less, losing 2-4.

Most leagues allow unlimited substitutions while the ball is out of play.

Standard international rules only allow substitutions either between quarters or when a player is injured.

From the 1967-68 season, this rule was relaxed to allow substitutions for tactical reasons.

Youth leagues often allow free and open substitution to encourage player participation.

Another is to allow substitutions only during legal timeouts.

At one time, the game allowed limited substitutions- a rule derived from its evolution in other codes of football.

The rules at the time did not allow substitutions so Fabian put his arm in a sling and switched positions with a forward.

Shinnik made all three allowed substitutions at that point, and Ushenin had to become a goalkeeper.