As Schalk Brits waits to discover his fate, Armand van der Merwe has been suspended for three weeks following their brawl on Saturday.
Dan Leavy sustained a serious knee injury in Leinster's European Champions Cup win over Ulster and will be sidelined until next season.
Full-back Leigh Halfpenny said constant headaches left him to consider the prospect he may have to quit at the age of 30.
Ryan Crotty is the latest All Black who has decided to move to the Top League in Japan after this year's Rugby World Cup.
Half-back Aaron Smith is staying in New Zealand after re-signing with the Highlanders.