"Some of our yellow cards and our sendings-off, I really think we have no-one to blame but ourselves," said Keane, himself not always on the right side of referees during his time as a Manchester United midfielder.
Pompey are currently eighth in the table but have four players -- strikers John Utaka and Kanu and midfielders Sulley Muntari and Papa Bouba Diop -- at the African Nations.
But that does give a chance to striker David Nugent, who scored the south coast side's winner against Ipswich Town in the FA Cup last weekend, to make his manager regret not signing him when he had the chance to during the pre-season.
Blackburn Rovers will have South Africa international striker Benni McCarthy available for their match with Bolton Wanderers.
McCarthy scored 24 goals in all competitions for Rovers last season.
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