Harry Redknapp has warned Chelsea and Manchester United that they will be wasting their time if they bid for Tottenham playmaker Luka Modric in January.
Tottenham managed to hold on to Modric this summer despite receiving at least three offers for the Croatian, the biggest reported to have been £40million.
"We won't be selling our best players or anyone we want to keep in January," Redknapp said. "We are keeping our best players and if anything we will be adding to the squad not selling."
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