Libero (LEE-bah-ro): The Libero is intended to be a player who specializes in defense and serve reception. The libero may replace a back-row player without taking away from the team's allowed number of substitutions. The libero is instead considered a replacement, and can replace any back-row player. The libero may replace the player in the right back position in the service order, however may only serve in one position in the serving order. The libero wears a uniform in contrast to other members of the team.