Capello has no doubts about the quality of the Frenchman.
"Pogba is a great player, who has quality, is physical and powerful," he told Radio Marca.
"I know him from his stint at Juventus and I followed him [when he moved to] Manchester.
"They should ask [Zinedine] Zidane and the president to sign him.
The Italian coach, however, did not seem overly enthusiastic about Neymar's possible arrival.
"Neymar is a great player but I think that he lacks humility.
"I think that Mbappe is going to win many Ballon d'Or prizes.
"I like him a lot, as he is fast, he has quality and he is in the right place at the right time."