West Ham United beat Everton 3-1 at Goodison Park today.
Diop is yet to prove his hefty summer transfer fee at West Ham.
West Ham United reportedly failed with a bid for Real Betis star Aissa Mandi.
The Brazilian arrived from Lazio for a club record fee of £35 million in the summer.
Some West Ham fans are keen to see defender Issa Diop get his opportunity in the side.
West Ham United lost 2-1 at home to Bournemouth on Saturday afternoon.
West Ham defender Issa Diop missed their weekend mauling.
West Ham have added two new central defenders to their squad this summer.
West Ham United are reportedly interested in signing the Croatian.
Manuel Pellegrini brought Issa Diop to West Ham United this summer, but he is yet to impress the London Stadium crowd.