Wasps No 8 Nathan Hughes will appear before a RFU disciplinary panel over his challenge on George North.
Northampton hope George North will not be sidelined for too long after suffering another head injury against Wasps on Friday.
A controversial red card for Nathan Hughes saw Northampton come from behind to beat Wasps 52-30 at Franklin's Gardens.
Saracens came from behind to defeat Northampton Saints 24-20 in a gripping LV= Cup semi-final at Allianz Park.
Stephen Myler converted a try deep in stoppage time to earn a thrilling 33-33 draw for Northampton against Gloucester.
Gloucester welcome back a trio of international players for Saturday’s clash with Northampton Saints at Kingsholm.
Northampton beat Harlequins 17-13 at Franklin's Gardens to move 13 points clear at the top of the Aviva Premiership.
Aviva Premiership champions Northampton have announced the signing of former Cornish Pirates scrum-half Tom Kessell.
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