Heaviest rugby player of all-time was over 25 stone (Top 10 ranked) - Ruck

Heaviest rugby player of all-time was over 25 stone (Top 10 ranked)

Rugby has always had a soft spot for size, but every now and then the game unleashes players who feel less like athletes and more like immovable objects.

These are the giants who made referees blink twice at the team sheet, battered scrum machines into submission and had entire packs questioning whether the laws of physics were still in force.

Forget post-Christmas excess — this is heavyweight rugby at its absolute limit.

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5. Posolo Tuilagi (France) – 149kg

The latest juggernaut off the famous Tuilagi production line. Already a Test lock for France and flattening anything in front of him for Perpignan, Posolo brings the family’s trademark destruction to the engine room.

At nearly 150kg, he moves alarmingly well for his size, making him less “big unit” and more “rolling natural disaster”.


4. Asenathi Ntlabakanye (South Africa) – 150kg

Nicknamed Ox Lite for good reason, Ntlabakanye muscled his way into the Springboks set-up in 2024 after folding scrums for the Lions.

A tighthead built like a concrete mixer, his game is brutally simple: dominate collisions, crush the set-piece and leave looseheads in survival mode. Still developing — already frightening.

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