The Portuguese superstar scored a pivotal hat trick against Atletico Madrid, while Manchester City put seven past Schalke.
Steve Nicol can't figure out whether Manchester City were just that good or Schalke just that bad in City's 7-0 win in the second leg.
Jurgen Klopp failed to get one over on former foe Bayern Munich as Liverpool were held to a 0-0 draw in the first leg of their second round Champions League tie at Anfield.
Manchester City boss Pep Guardiola will be rooting for Bayern Munich when his former team take on Liverpool in their Champions League round-of-16 second leg in Germany.
The Spaniard, who had three successful seasons at Bayern before joining City in 2016, tipped the German champions to prevail at home after holding Liverpool to a 0-0 draw in last month's first leg at Anfield.
CHAMPIONS LEAGUE
How to fix the Champions League
It's time to find a way to fix the Champions League -- or start a European super league.
Watch on ESPN networks in the U.S.
ESPN+ is America's home for a host of professional soccer leagues from around the world, highlighted by Italy's Serie A, Major League Soccer, UEFA Nations League and English FA Cup. | ESPN+ schedule
- Latest Champions League tables - Upcoming group fixtures - Champions League statistics - All the latest UCL news
"I'm sorry for the English people but I want Bayern to go through," Guardiola said after City's 7-0 drubbing of Schalke on Tuesday that guided the English champions into the quarterfinals with a 10-2 aggregate scoreline.
"I love Munich, I love Bayern. I have a lot of friends there. It's a demanding game for both but I feel I like Bayern Munich and hopefully they can go through."
If Liverpool advance, it would mark the first time since 2009 that four English teams have reached the quarterfinals of Europe's elite club competition, with City, Manchester United and Tottenham Hotspur already through.
The Champions League has been dominated by Spanish clubs in recent years with Real Madrid and Barcelona winning seven of the last 10 titles.
- City ratings: Aguero, Sane, Sterling all get 8/10
- Sources: Liverpool won't recall Karius from loan
- Neuer: 'It's about time' Bayern beat a giant
There has not been a Champions League campaign without any Spanish clubs in the quarterfinals since the 2004-05 season.
"It's nice for English football that three teams are there in the quarterfinals and Liverpool too, maybe." Guardiola added. "In the last decade Spanish teams controlled everything. It's good for us. For English football it's incredible."
Source: espn.co.uk