RC Massy

They were promoted from the Fédérale 1 at the end of the 2011–12 season, entering professional rugby for the first time in their history.

On 24 May 2014, it was announced that they had won promotion back to Pro D2 for the 2014–15 season as a result of winning the Fédérale 1 semi-final 17 – 9 against Tyrosse.

They would return to Pro D2 after winning the promotion group in the 2016–17 Fédérale 1 regular season.

The squad for the 2022–23 season is:[4] Note: Flags indicate national union under World Rugby eligibility rules.

Note: Flags indicate national union under World Rugby eligibility rules.