Celtic 1 West Ham 3 LIVE as Mark Noble nets from the spot after Michail Antonio brace
Ogbonna #Ogbonna
Celtic face a step up in quality from their last friendly against Preston North End with West Ham United the visitors to Glasgow.
And it is a crucial 90 minutes as it is the last chance for Ange Postecoglou to experiment ahead of their return Champions League leg against Midtjylland and the big Scottish Premiership kick off against Hearts.
The fixture sees a return to the east end of Glasgow for David Moyes who spent three years with the Hoops at the start of his playing career.
Moyes in his second stint at the Hammers and led them to an impressive sixth place finish in the English Premier League season as they qualified for the Europa League group stage.
The Londoners are stepping up their preparations for their opening league game at Newcastle United on August 15.
West Ham have already been in Scotland where they came from two goals down to draw with Dundee.
And after a draw with Lleyton Orient they have recorded wins over Northampton Town and Reading.
Celtic should provide a stiffer test for Moyes and his boys and you can follow all the action LIVE on our blog.
Celtic starting XI: Barkas, Ralston, Murray, Welsh, Taylor, Soro, McGregor, Christie, Turnbull, Abada, Edouard Subs: Bain, Doohan, Bitton, Griffiths, Rogic, Bolingoli, Urhoghide, Connell, Shaw, Robertson, Forrest, Henderson, Montgomery, Hjelde
West Ham starting XI: Fabianski, Fredericks, Dawson, Ogbonna, Cresswell, Noble, Fornals, Lanzini, Bowen, Benrahma, Antonio Subs: Randolph, Martin, Johnson, Diop, Alves, Forson, Coventry, Holland, Okoflex