The Spurs boss reiterated his interest in Sevilla's Luis Fabiano, but admitted the Spanish club's valuation of the 29-year-old forward is a sticking point.
"I think the chairman has enquired," said Redknapp. "He's a player that I like.
"But I think they're talking crazy money for a player that age.
"In excess of £25million, that wouldn't stack up."