That is the view of pundit and previous West Ham goalkeeper Shaka Hislop.
Nainggolan has been continuously connected with a transfer to the Premier League, with Chelsea and Manchester United up to now within the Belgian.
The 29-year-old insists he’s glad in Serie A and signed a brand new four-year contract in July.
Despite that, rumours nonetheless persist and Hislop says Nainggolan could be an improve on United’s present crop.
“Well understandably he’s always in some sort of transfer rumour, given how good he is,” Hislop mentioned on ESPN FC.
“I’m shocked now not one in all Europe’s largest golf equipment haven’t are available, he’s obviously glad at Roma.
“At the similar time, Manchester United do have cash to spend, I believe there’s a want on that left-hand aspect.
“Daley Blind performed at the left within the Champions League sport in Moscow.
“Nainggolan is an improve on nearly any one any place, I’ll be fair with you.
“I’d have him at any unmarried membership.
“If Manchester United get their means, then that may handiest be successful.”
Nainggolan has scored 26 objectives in 127 Serie A appearances for Roma.