Harewood, 27, has been tipped for a move from Upton Park after being criticised by fans while the Hammers were struggling last season.
Redknapp said in the Portsmouth News: "I´ve been keeping an eye on Marlon. I like him - he´s strong, quick and powerful. He´s a real handful on his day and most of all, can definitely get you goals in the Premier League. If he could get 15 goals again, he´d be a snip."
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