The Investec Champions Cup returns with the last-16 on Friday and BBC Sport explores five things to look out for across the weekend.

Adalberto Carrasquilla has scored a late equalizer as Mexico City’s Pumas salvaged a 1-1 draw with the Vancouver Whitecaps in the first leg of their CONCACAF Champions Cup quarterfinal series.

Vancouver Whitecaps FC came close to a crucial win over Pumas in Leg 1 of their Concacaf Champions Cup quarterfinal series, but a world-class strike from former Houston Dynamo FC maestro Coco Carasquilla at the death sealed a 1-1 draw Wednesday night at BC Place.

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LAFC kept Lionel Messi off the scoresheet in a 1-0 victory over Inter Miami in the first leg of their CONCACAF Champions Cup quarterfinal matchup.

Club America settled for a 0-0 draw against crosstown rival Cruz Azul in the first leg of their CONCACAF Champions Cup quarterfinal series.

There have been some concerns over Messi’s fitness, and his usage by coach Javier Mascherano has been intermittent in recent weeks. He missed Argentina’s thumping victory over Brazil last week with a hip complaint. Argentina coach Lionel Scaloni was present in L.A. to watch Wednesday’s proceedings.

The 30th Champions Cup is entering the knockout stage this weekend, with each remaining club dreaming of lifting the biggest prize in European rugby.

A game between two three-time winners of the Champions Cup should whet the appetite of fans but Saracens' weakened side risks its credibility