West Ham United could be dealt a big blow by Tottenham Hotspur in the summer transfer window it seems. Both West Ham and Tottenham are expected to be busy in the summer transfer window, with central defensive reinforcements required by both David Moyes and Ange Postecoglou. The Hammers boss will be really concerned about the fitness of Kurt Zouma, whilst Angelo Ogbonna is nearing the end of his career. Meanwhile, the jury is still very much out on Nayef Aguerd and Konstantinos Mavropanos at the London Stadium. Moyes is believed to be after Fulham’s Tosin Adarabioyo, and was most recently linke…