(inside and outside), fly-half, scrum-half, number eight, flanker (openside and blindside), lock, hooker and prop (loosehead and tighthead).
Kaynak: Rugby union positions

Hooker is one of the positions in rugby league football . Usually wearing jersey number 9, the hooker is one of the team's forwards.
Kaynak: Hooker (rugby league)

Hooker: Hooker (rugby league. The hooker, numbered 9, packs in the middle of the scrum's front row. The position is named because of the
Kaynak: Rugby league positions

Although a popular etymology connects "hooker" with Joseph Hooker , a Union general in the American Civil War , the word more likely comes
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