Eden Hazard is injured with a small fracture to his ankle, but Zinedine Zidane is hopeful an operation will not be needed.
Genk goalkeeper Maarten Vandevoordt became the youngest goalkeeper to make his debut in the Champions League at the age of 17 years, 9 months and 10 days. In the 3rd minute, however, he made a big error as Milik put Napoli 1-0 up.
Vitor Pereira will not be Everton's next coach as the Portuguese tactician has confirmed he plans to remain with Shanghai SIPG.
At 17 years and 287 days, Genk's Maarten Vandevoordt has become the Champions League's youngest goalkeeper.
Newcastle United have launched an initiative with the intention of increasing their attendance at matches, by giving out free half-season tickets to season ticket holders.
Bayern Munich are already through to the Champions League last 16 as group winners, but interim coach Hansi Flick wants his side to beat Tottenham on Wednesday to boost their confidence after back-to-back defeats.
Dusan Tadic and Hakim Ziyech are the big danger that Valencia have to get past if they want to qualify for the Champions League last 16. Ajax are a maximum level test.