Former All Blacks stars Ali Williams and Dan Carter are teaming up together again, this time at Racing 92.

Dan Carter's French club have hired former All Blacks team-mate Ali Williams as his minder.

The Guardian has reported that Racing 92 have assigned Williams to look after Carter because of the massive off-field interest in their star recruit.

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Williams, who played 77 tests for the All Blacks, retired from playing rugby with Toulon last season.

"Given his experience, his main mission will be to advise and help manage the many demands of Dan Carter, including the media," said Racing on the club's website, with Williams starting work on Saturday.

"Mr Williams will also conduct commercial relations operations for an investment account."

Carter, who retired from international rugby after the Rugby World Cup, is due to make his debut for Racing 92 this weekend in Paris against Northampton in the European Rugby Champions Club.

Racing are fourth in the Top 14 and unbeaten at home this season.

Meanwhile, Leicester announced on Tuesday (NZ time) that Manu Tuilagi, Ben Youngs, Ed Slater and Freddie Burns had all re-signed with the club.

The new deal means Tuilagi is the highest-paid player in English Rugby, earning NZ$980,000 a season over the three-year contract.