Rassie Erasmus has drawn a clear line between where Thomas du Toit is now and where the Springbok coaching staff believes he can still go. The message from the Bok boss is unambiguous: Bath has done a remarkable job shaping the tighthead into a world-class operator, but "The Tank" has not yet hit his ceiling.

"Thomas has developed tremendously at Bath," Erasmus said. "But there's another level he can reach."

The assessment is both a compliment and a challenge. Du Toit's move from the Sharks to the English Premiership was a calculated gamble that has paid off handsomely. Competing week after week in top-flight English rugby has sharpened every dimension of his game, and his evolution at loosehead into a genuinely formidable Test-match force has been one of South African rugby's quiet success stories in recent seasons. His technical execution and relentless ball-carrying have made him a cornerstone of the Springbok forward pack, indispensable in the green and gold.

But Erasmus is not a coach who accepts good enough as the final destination. At 27, Du Toit is entering the window where props typically reach their peak physical condition, and the national coach's public push for continued evolution carries real weight. Whether that growth comes through greater consistency in the scrum, sharper lineout work, or more clinical execution under contact, every Test window now functions as an audition against the very best the northern hemisphere can offer.

Bath's role in that development trajectory remains central. The Premiership environment has already transformed Du Toit once. Erasmus is betting it can do so again.

For Du Toit, having the architect of two World Cup-winning campaigns publicly demanding more is the kind of motivation that sharpens focus. The question now is whether he can translate that belief into the tangible on-field improvements that would cement his place among rugby's truly elite front-rowers.