Barcelona will host Athletic Bilbao in a La Liga fixture at Estadio olimpic lluis Companys on Sunday night.
Villarreal will host Alaves in a La Liga fixture El Madrigal on Sunday.
Aston Villa will play host West Ham in a Premier League fixture at Villa Park on Sunday.
Swansea City will host Leicester City in an EFL Championship fixture at Swansea.com Stadium on Saturday.
Preston will host Millwall in a Championship fixture at Deepdale on Saturday.
Osimhen, 24, is one of world football’s top goal-getters, and the Nigerian’s goals last term helped Napoli secure the Serie A title.
Senegal will play Cameroon in a friendly match at Stade Leopold Sedar Senghor on Monday.
Egypt will play Algeria in a friendly fixture at Hazza Bin Zayed Stadium in Abu Dhabi on Monday.
Mexico will play Ghana in an international friendly at Bank of America Stadium on Saturday night.
USA will host Germany in an international friendly at Rentschler Field on Saturday evening.