Real Madrid forward Gareth Bale has not been included in the squad for Wednesday's Champions League round-of-16 first leg at home to Napoli.
Manchester City moved up to second in the Premier League with victory over Bournemouth, but Gabriel Jesus' injury has dampened the celebrations.
Benfica coach Rui Vitoria has expressed that Borussia Dortmund can be dangerous at any time against any opposition.
Matt Hummels has praised the quality of his German compatriot as Bayern Munich prepare to face Arsenal on Wednesday night.
Napoli are unbeaten in 18 games but remain outsiders in the tie against the defending champions.
Arsenal haven't reached the Champions League quarterfinal since 2009-10 and if they're to make it happen vs. Bayern, here's what they must do.