( CNN ) -- Manchester City powered into the last 16 of the Europa League with a 4-0 win over holders Porto Wednesday at the Etihad Stadium . The English Premier League leaders had a 2-1 advantage from the first leg in Portugal and went through 6-1 on aggregate . It is the second boost in 24 hours for manager Roberto Mancini , who has finally drawn an apology from striker Carlos Tevez after a three-month standoff which left the Argentine star on the sidelines . Tevez told the club 's official website : `` I wish to apologize sincerely and unreservedly to everybody I have let down and to whom my actions over the last few months have caused offence . `` My wish is to concentrate on playing football for Manchester City . '' Blog : Should City accept apology from Tevez ? He also withdrew his appeal to the Premier League against a fine of six weeks ' wages . Mancini confirmed in his post-match interview that he had `` no problem '' with Tevez after his apology . `` He needs a good two to three weeks to train but if he is ready he can play , '' the Italian told ESPN . Mancini picked a strong team for their second leg tie against Porto and he was rewarded when Sergio Aguero opened the scoring after just 18 seconds . It was the 20th goal of the season for Tevez 's international teammate . Porto , watched by their former manager Andre Villas-Boas , enjoyed good possession , but rarely tested Joe Hart in the home goal . Their fate was sealed when Aguero played in substitute Edin Dzeko for the second late on . Porto had Rolando sent off for a second yellow card and City rubbed it in with further late strikes from David Silva and David Pizarro . Manchester United , 2-0 up from their first leg , can join arch local rivals City in the last 16 when they face ff Ajax at Old Trafford Thursday , but will be missing Wayne Rooney for the match .
Manchester City beat Porto 4-0 in Tevez last 32 second leg tie . City go through 4 -1 on aggregate with Sergio Aguero scoring their opener . City manager Roberto Mancini confirms he has accepted apology from Carlos Tevez . Europa League has returned to training after spending last 32 in Argentina .