England forwards Nathan Hughes and Courtney Lawes are both set for an extended period on the sidelines after undergoing surgery.
England have suffered a double injury blow after Nathan Hughes and Courtney Lawes were ruled out of Saturday's Six Nations match against Ireland.
Northampton coach Alan Gaffney appeared to suggest George North did not want to play in the 34-25 defeat to Sale.
Denny Solomona scored a hat-trick as Sale claimed a famous 34-25 away victory at
Exeter go top of the Premiership after win against Saints while Newcastle beat Harlequins away for the first time since 2000.
A look around the Aviva Premiership grounds with one game still to play in Round 15 of England's domestic competition.
Catch up on the team news, tweets and videos ahead of this weekend's rugby union action!
Northampton have announced that prop Kieran Brookes is to leave Franklin's Gardens at the end of the season.
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