442 (42314321451) 433 formations are all four defenders.

Of course, there are five defenders, like the former beckenbauer, who is a central defender, that is, a free man.

There are also five guards to strengthen the defense.

Of course, it depends on the coach's tactical arrangement.

However, there are fewer and fewer cases of using 3 or 5 defenders in football nowadays. Basically, they are all four guards, so the offense and defense are relatively balanced.