In his column for The Sun , Redknapp wrote: "Defoe went off at half-time last night, leaving the manager Fabio Capello open to just those kind of suggestions.
"Even though 6ft 7in Crouch came on and scored twice, it doesn't mean you must stick with a big man, little man combination.
"We would get very predictable pretty quickly if we did.
"Against Egypt, it was an experimental match with a patched-up team. At Tottenham, I played Defoe and Robbie Keane together lots - not exactly two giants - and it worked.
"It just means you have to pass well. You can't just rely on high balls into the box - the sort that international class defenders will swat away all day long."