Champions League: Porto top scorer Vincent Aboubakar doubtful for Liverpool clash, says coach Sergio Conceicao
Aboubakar, who has returned to Porto after spending last season on loan at Besiktas, has scored 26 goals in all competitions this season, including 15 in the league and five in the Champions League.
Unbeaten leaders Nigeria moved to 10 points from four matches in Group B and a home win over Zambia on 7 October will clinch a sixth World Cup appearance
Timo Werner said, "Mexico will be tough to play, but we have also been good so far and I think we have a chance to go beyond the semi-finals."
Timo Werner netted twice as Germany set up a Confederations Cup semi-final against Mexico with a 3-1 win on Sunday against 10-man Cameroon.