And with Makaay, Pizarro and Paraguay's Roque Santa Cruz already on the club's books, Van Nistelrooy's arrival "would leave us with too many strikers", according to Beckenbauer.

BBC: SPORT | Football | My Club | Man Utd | Real make new Van Nistelrooy bid

Paul Bosvelt offered Scotland another warning shot with a powerful 25-yard drive narrowly wide of the mark on 15 minutes, while Paul Lambert did well to block a fierce Roy Makaay volley.

BBC: Dutch held by resolute Scotland