The former Manchester City teammates are now reunited with the Hammers after Hart signed a season-long loan deal earlier this week.
And the Argentine couldn't help himself after lashing home the strike, shouting out: 'Welcome to West Ham, my friend!'
Reunited in London! Pablo Zabaleta has welcomed Joe Hart to West Ham with this thumping volley. pic.twitter.com/DiJzca8uSQ
— City Watch (@City_Watch) July 20, 2017