You watch the libero when the libero comes in you slash out the number he or she went in for and then put a L then when the libero goes out you slash out the L and put the persons number
Its confusing at first but you'll get the hang of it hope that helps!
It is when you keep track of the score that either team might have. There is also a libero tracker who makes sure the libero is switching out with players correctly.
Libero De Libero was born on September 10, 1906, in Fondi, Lazio, Italy.
Libero De Libero died on July 4, 1981, in Rome, Lazio, Italy.
The Libero wear the opposite jersey from the rest of his/her team to mark them, so it is easier for the libero tracker to track. They only play in the back row, specializing in defense and passing.
Libero Libero
Libero Marchini was born in 1914.
Libero Marchini died in 2003.
Libero Andreotti died in 1933.
Libero Andreotti was born in 1875.
Libero Tresoldi was born in 1921.
Libero Grande happened in 1997.
Libero Grande was created in 1997.