But Nigeria coach Christian Chukwu agreed that Okocha could remain in England until January 16, when the Super Eagles leave their Portuguese training camp for Tunisia.
Coach Jose Mourinho had made seven changes following last weekend's win over Rayo Vallecano, ahead of Tuesday's second leg of the Spanish Super Cup at Barca's Camp Nou.
Veteran broadcaster and writer Lubomir Doruzka tells how a guitar player was arrested by the Gestapo and sent to a concentration camp for singing a chorus of Louis Armstrong's "Super Tiger Rag".
Calzaghe, who held the WBO version of the super-middleweight title for more than 11 years, has been called out at regular intervals by the Froch camp over the years.