GETTY Ramiro Funes Mori in line to make Everton debut against Chelsea

Everton, who sit one point and four places above Chelsea in the standings, will host the Premier League champions after the international break. And Martinez admits Mori, 24, could make his debut at Goodison Park.

But the Toffees boss is fully aware that the Argentine defender, who cost £9.5million from River Plate, will need time to adjust to English football. "I feel that after the break he will be ready to join the group," the Spaniard said.

The 2015 Premier League Fri, September 25, 2015 All of the goals and controversy from this season's Barclays Premier League matches. Play slideshow REUTERS 1 of 100 West Bromwich Albion v Everton : Romelu Lukaku celebrates scoring the first goal for Everton