Gloucester captain Gareth Delve and London Irish back row forward George Stowers have been banned following their brawl.
The two players came to blows after Stowers' dangerous tackle on Gloucester scrum-half Dave Lewis at the Madejski Stadium on September 13.
London Irish ran out comfortable 40-10 winners on the day, but have now seen the back rower banned for two weeks for the tackle and a further week for striking Delve.
The Gloucester man, meanwhile, has been handed a three week ban for his reaction to the challenge, which involved a flurry of punches being thrown.
Both players are free to play again on October 12 but will miss the first round of Heineken Cup fixtures.