It means Dwayne Peel’s side will be without their Tongan international for the games against Cardiff at the Arms Park on Saturday, 7 January and also the European Challenge Cup clash with the Cheetahs at home on Friday, 13 January.
Dismissed by Ben Whitehouse for striking opposing back row man Ross Moriarty in the 32nd minute off the festive fixture, Kalamafoni admitted the offence.
