The New Zealand international will not be able to play again until the semi-finals of the divisional play-offs, should Featherstone progress. Oldham's Se'e Solomona has been banned for four matches for his part in the brawl, over which both clubs still face charges.
St Helens go into tonight's match at Halifax with renewed hope of catching Wigan at the top of the First Division after Wigan's defeat at Bradford.
If Saints win their five remaining games, including beating Wigan, the two sides could finish level on points.
The Wigan second-row, Billy McGinty, has had a scan on the knee he injured at Bradford and is likely to miss next week's Challenge Cup semi-final.