eighth-man

The formation can be either: 1) Three players in the front row, four in the second row and one in the third row: loosehead prop, hooker, tighthead prop, flanker, lock, lock, flanker, eighth-man or 2) Three in the front row, two in the second row and three in the back row: loosehead prop, hooker, tighthead prop, lock, lock, flanker, eighth-man, flanker.