The Red Devils announced on Saturday morning that they had agreed a deal – believed to be worth around £15m – to sign the Netherlands international from Ajax.
United are not in a position now to be taking risks
Blind can play at left-back, centre-half, left wing and central midfield – but Scholes is unsure which position he is likely to occupy at Old Trafford.
“I’m not too sure what position he is going to play in,” Scholes told BT Sport. “I don’t think he is strong enough for a left-back in England.
“And the only place we can seem to get him into the team in central midfield. He’s a very good footballer but is he the answer? We will wait and see.
“We don’t really know what position he is. United are not in a position now to be taking risks.
“They need proper central midfield players. They obviously haven’t fancied them or haven’t been able to get them.
“I think he’s a really good footballer but is he a central midfielder?”
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