Wilfred Ndidi and Kelechi Iheanacho won the battle of Nigerians as their Leicester City team walloped Semi Ajayi’s West Bromwich Albion in the latter’s first match back in the topflight on Sunday.

Ndidi started in the unfamiliar position of centre back as he filled in for the suspended Johnny Evans while Ajayi was part of a back five for Albion.

Striker Iheanacho was an unused substitute.

West Brom’s return to the Premier League seemed to be on the right track after a first half of few opportunities ended in a goalless stalemate but things quickly deteriorated for the Baggies in the second period.

Last season’s top scorer Jamie Vardy scored a brace of penalties with debutant Timothy Castagne also on target as Leicester recorded their biggest opening day win in topflight history.

Albion’s defeat meant all three promoted teams lost on the opening weekend and – like Ola Aina’s Fulham, who were beaten by a similar scoreline against Arsenal on Saturday – there are early question marks over whether the Baggies have the quality to survive