Leinster have a long list of injury concerns involving Ireland internationals and Luke McGrath has now been ruled out of the Six Nations.
Ahead of the Six Nations, George Ford says he will always prioritise team success over his own battle with Owen Farrell for selection.
Leigh Halfpenny is not expected to feature in the first couple of rounds of the Six Nations, but he was named in Warren Gatland's squad.
Bristol Bears have pulled off a coup by signing Nathan Hughes from Wasps, who are also losing Willie le Roux at the end of the season.
Bath have confirmed number eight Taulupe Faletau broke his arm in his first match since recovering from the same injury.
Mohamed Sanu says Christian Wade needs to adapt quickly if he is to make a successful switch from rugby union to the NFL.
Judicael Cancoriet is set to have surgery on a torn pectoral tendon but could still return for the Top 14 playoffs.
Former Wales prop Ceri Jones will keep hold of the reins at Pro14 side the Dragons for the remainder of the season.
Premiership champions Saracens are through to the last eight of the European Champions Cup after beating Lyon on Sunday.
Wigan Warriors opted to stand by Zak Hardaker after his drink-driving ban and he vowed to make the most of his chance.