The Uefa Champions League turns back the clock this week when Manchester United and Juventus resume their rivalry.
Tuesday's clash at Old Trafford will also have the added spice of want-away midfielder Paul Pogba lining up against his old team.
There's also the significant factor of rape accused Cristiano Ronaldo returning to the ground where he made his name.
Three things to look out for this week:
The Italian champions arrive at Old Trafford - where they lost the 2003 Champions League final - fresh from 10 straight wins in all competitions.
Paris coach from 2011-13, Carlo Ancelotti, is returning to face his old side with Napoli. Now coached by Thomas Tuchel, Paris feature former Napoli frontman Edinson Cavani among their fearsome battery of scorers.
After beating Liverpool last time out, Napoli top Group C with four points; another win for the Partenopei could be a significant step towards qualifying.
Inter are the next club in Lionel Messi's sights as Group B's top two collide.
With five goals in the first two match days, the Barcelona captain leads the Uefa Champions League scoring charts.
The Nerazzurri knocked Barcelona out in the 2010 semifinals en route to glory.
Manchester City boss Pep Guardiola has named three teams he believes are contenders for the Champions League.
City were favourites to go all the way and win Europe's elite club competition under Guardiola. But fellow Premier League club Liverpool surpassed the champions to play the final against Real Madrid in May.
Speaking about the club's European chances, Guardiola said: "Our great success as a club was the Champions League semifinal, in all our history. I don't know whether we are ready, it's the truth, I don't know. We don't have much history behind us, but so much confidence.
"It's not just a matter of coach, players, club and supporters. It's a matter of believing we can and we have to win, and honestly, I don't know whether we have already reached this point."
He said clubs like Barcelona, Real Madrid and Juventus might win the title.
Guardiola said: "My favourites are the teams that have a history bigger than us - Real Madrid, Barcelona, these teams."
Despite Guardiola's comments, Manchester City still stand as one of the English clubs that could potentially win a European title. The Premier League champions stand at second place in the Champions League Group F...