Ireland have named a 45-man squad to train in Dublin that omits Rob Kearney, Jordi Murphy, Sean Cronin, Jack Carty and Kieran Marmion.
Lyon are reportedly targeting Ireland fly-half Johnny Sexton, but Leinster insist there has been no suggestion he will leave the province.
After placing 363 bets across a 46-month period from November 2015, Rob Howley has been handed an 18-month ban from rugby.
Brothers Joe and Sam Simmonds were influential as Exeter Chiefs moved to the brink of a quarter-final spot in Europe.
Saracens claim a derogatory comment made to Jamie George by Munster's chief medic sparked a fracas at Allianz Park.
Brothers Billy and Mako Vunipola played starring roles as reigning champions Saracens defeated Munster in the European Champions Cup.
Brad Mooar's stay in Wales could be short, as Ian Foster wants the Scarlets boss to join his coaching staff.
Juan Imhoff scored two of Racing 92's six tries as they beat Ospreys 40-27 to increase their lead at the top of Pool 4.