Henry is unsettled at Barcelona and being linked with a move back to the Barclays Premier League while Liverpool star Crouch has been the subject of speculation about a possible return to Villa.
And Carew would be up for the fight if O´Neill brings in more firepower saying: "I would welcome any good player to come here. The more good players, the better for the team. The more good players, the stronger you are during a whole season."
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