The 17-year-old returned to the bench upon his return from an ankle injury for Saturday's match in La Liga and fans spotted he was wearing special boots with "Messi" written on them. Yamal is one of 10 players selected by Argentina and former Barcelona star Messi to wear as part of Adidas' Messi +10 campaign.
Hansi Flick's side have fared much better with Yamal in the team, as the Spain international has scored five goals and made seven assists in La Liga this season. Before Saturday's loss, they had been beaten just once with him in the team.
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WHAT NEXT FOR YAMAL?
Yamal will hope his Messi boots inspire some magic when his team come up against Mallorca in La Liga on Tuesday.