Redknapp added: "It would be lovely to have him back, he is a top player."
Another of England's injury concerns, Chelsea left-back Ashley Cole, has recovered from a broken ankle and was an unused substitute in the Blues' 2-1 defeat by Spurs last weekend.
Meanwhile, Manchester United boss Sir Alex Ferguson feels right-back Gary Neville could still force his way into Capello's plans for South Africa with the form he has shown this season following a long injury lay-off.
Neville, 35, played just one game between March 2007 and August 2008 and struggled to hold down his place in the United backline last season, but Ferguson believes he he has been back to his best during the current campaign
"I wouldn't be surprised if he went to South Africa," said Ferguson. "It is not my job to say he should go, it is difficult enough for an international manager, but I wouldn't be surprised if Fabio chose him."
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