The Uruguayan was reluctant to celebrate as he put his old team-mates to the sword at the Wanda Metropolitano
Atletico Madrid striker Luis Suarez pressed his hands together to ask forgiveness after deepening Barcelona's crisis with his first goal against his former employers on Saturday.
The Uruguayan hit late in the first half to put Atletico 2-0 up over the struggling Catalans at the break.
But he remained respectful of their plight, refusing to celebrate even as his team-mates mobbed him in jubilation.
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Saturday's clash was the second time Suarez had met Barcelona since completing his move across La Liga in the summer of 2020.