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How good are Barcelona, really? How good is Robert Lewandowski when push comes to shove? And how good are Atlético nearly 15 years into the reign of the sharp-suited Diego Simeone?

There are some recent clues. The seasoned Poland striker Lewandowski had the last word in La Liga on Saturday, his 87th-minute winner added to Marcus Rashford’s opener giving Barça a 2-1 comeback win away from home.

Hansi Flick’s side are closing in on the league title, leading second-placed Real Madrid by seven points, with a 19-point chasm separating Barcelona and tonight’s opponents.