Exeter Chiefs are reported to be close to signing Leinster secondrow Jack Dunne, in the process beating a rival Irish province to the punch for the hulking forward.
Leinster are in the market for a 'big name' southern hemisphere second row as they look to reinforce their options in the engine room.
Colomiers have secured the services of 34-year-old former All Blacks hooker Hika Elliott, who has been drafted as a medical joker.
Victory over Stade Francais moved Racing 92 to within four points of Top 14 leaders Montpellier but Toulon slipped to defeat at Oyonnax.