He said: "The idea when I sold Sulley was there would be money for two or three (new) players. Now we'll have to wait and see if that happens.
Training now in Cape Town until Friday after Pompey's ill-fated weekend trip to Nigeria, where rioting fans clashed before Pompey's game against Manchester United, Redknapp told the Portsmouth News: "We are definitely short at the moment, desperately short. We need another centre-half and we need wide players in midfield.
"We need a left-back. We are short there and there is no cover on that side. At present, I don't think we have a squad who are going to challenge next season."