Another topic which came up was that wink from Cristiano Ronaldo.
However, Rooney, speaking on Monday Night Football, thinks City, who are still on course to win an unprecedented quadruple, will be hard to overhaul next season with their football under Guardiola close to emulating Barcelona. He was ruthless, like Harry Kane he just loves scoring.
On Sky Sports' Monday Night Football analysis, the ex-United front man said that it is hard to compare Liverpool's front line with United's notorious 2007-09 attacking trio. That's what Liverpool want because they then go and counter-attack and score goals. He'd go around and I'd go behind. It is not nice for me to say, but it is nearly flawless football at times.More news: HTC U12 Apparently Shown Off During 5G Industry Event
Earlier in the season, West Bromwich Albion boss Tony Pulis said of the atmosphere in West Yorkshire: "I have to say this place is like Stoke when I was first at Stoke".
"The difference we had is Premier League winners" medals. "He takes them to that next level", the former England star concluded.
And much to the Chilean's relief, he tapped home the rebound after Jonas Lossl had saved his initial effort from the penalty spot to open his United account after joining from Arsenal on reportedly the biggest ever contract in Premier League history. "People said we couldn't play together but we hit it off, played well together and I really enjoyed it".
"I would always think it was awful for a defence when we played together".