4.2 The Libero Player (Rule 8, FIVB Official Volleyball Rules 2025–2028)

The Libero is a defensive specialist. Key rules governing the Libero include: Teams may designate up to 2 Liberos from the registered roster (Rule 8.1).; The Libero wears a jersey (or jacket/bib for the Libero, in FIVB competitions) of a contrasting color from all other team members (Rule 8.1).; ...

Source: Rule 8.1, Rule 8.4.1, Rule 8.4.2, Rule 8.4.3, Rule 8.3, Rule 8.3.2, Rule 8.5

Send this to your friend — argument over.