Antoine Griezmann declared that Barcelona's players were furious with themselves after a 1-1 draw at Deportivo Alaves in La Liga on Saturday.
Barca failed to come up with a winner despite playing the majority of the second half with an extra man.
A goalkeeping mistake by Neto allowed Luis Rioja to give Alaves the lead before Jota was shown a second yellow for a dangerous high kick on Gerard Pique.
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France striker Griezmann equalised soon after with a classy finish, but the Blaugrana could not find a way past Fernando Pacheco in the Alaves goal.