Alarm bells sounded when Lautaro Martínez was forced to come off the pitch in the first leg of Inter Milan's Champions League semifinal clash with Barcelona.

PSG are sitting pretty after their first leg in London, but what do the other semifinalists need to do to advance?

In Wednesday's breathless 3-3 draw, the line leaders were essential to each side’s game plan. All proved to be key protagonists on the night