It is often used by defending trainers in official games when they still try to win the midfield and lose as little as possible (i.e. only one trainable position). In this case they usually line-up a variation of the standard 4-4-2 by intentionally weakening their defence on one wing or in the middle.
|4-4-2 variant A|
Variant A is used mainly against a strong central attack.
|4-4-2 variant B|
Variant B is used mainly against a strong central wing attack.