Get the United transfer latest, team news, match updates and analysis delivered straight to your inbox every day for free Former Liverpool and Tottenham Hotspur striker Robbie Keane believes Mason Greenwood could "learn a lot" from soon-to-be Manchester United team-mate Cristiano Ronaldo.
Ronaldo, 36, is on the brink of sealing a return to Old Trafford after United agreed a deal with Juventus on Friday to sign the five-time Ballon-d'Or winner on a two-year contract.
The striker has passed his medical in Lisbon and is now very close to completing the formalities that will allow him to seal a return to United, more than 12 years after he left the club to join Spanish heavyweights Real Madrid.
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