Barcelona's coach and players were furious with the condition of the pitch at Real Valladolid's Estadio Jose Zorrilla on Saturday, as La Liga president Javier Tebas promised disciplinary action.
Ousmane Dembele's goal in the 57th minute earned all three points in a 1-0 win for the reigning champions, but concerns about the state of a recently re-laid surface threatened to overshadow the contest.
And after a week in which prominent players threatened strike action in opposition to plans to stage a La Liga match in the United States, defender Gerard Pique was pointed in his criticism.
"Before we sell our product abroad, we'd do well to look here first," he said.