Sin bins off the mark - red cards are the correct penalties for unfair play
Using rugby-style punishments by allowing players to come back to the game sends wrong message

The idea of introducing a rugby-style "sin bin" in football was raised again.
Superficially, the sin-bin system appears reasonable. The justification behind it is that instead of referees sending players off the field permanently, it is better to give players another chance using a "white card".
In this way, teams are only disadvantaged by a player spending a period away from the action rather than ordered off for the remainder of the match and any future suspension.
Obviously, players and coaches would accept this more lenient approach, but referees know better. The sin bin is a rubbish idea. To start with, why should misbehaving players be given further opportunities to transgress?
