Ajax head coach Erik ten Hag felt his team could have taken advantage against Liverpool.
Fabinho was lauded by Jurgen Klopp after Liverpool overcame Ajax in the Champions League.
Bayern Munich's 4-0 win over Atletico Madrid left Diego Simeone with a "bad taste" but he defended his players after the loss.
Inter laboured to a Champions League draw with Borussia Monchengladbach on Wednesday but Antonio Conte refused to criticise his side.
Manchester City's victory over Porto came at a cost as Fernandinho pulled up with an injury that will sideline him for up to six weeks.
Jurgen Klopp revealed Liverpool had a number of injury concerns going into his team's Champions League opener in Amsterdam.
Real Madrid boss Zinedine Zidane remains convinced he is the right man for the job in the Spanish capital following Wednesday's defeat.
Inter forward Alexis Sanchez could be set for a spell on the sidelines after sustaining an injury against Borussia Monchengladbach.
Liverpool were tested on their return to Champions League action but battled through to claim three important points.
Bayern Munich's 4-0 win over Atletico Madrid saw Kingsley Coman deliver a scarcely needed reminder of PSG's mistake in letting him go.