With just a few details remaining to be tied up between the Manchester City right back and the Hammers it looks near certain the Argentinian will join the club.
He has been close to the young striker in his time at the Etihad becoming something of a mentor figure for the Nigerian international.
Now the Hammers hope that once he is safely on board he can help persuade 20-year-old to join the Irons.
The Hammers are willing to pay £25m for the striker with Everton also interested.