BREAKING: A scuffle in the Spanish dressing room occured after #PORESP involving Diego Costa, who is claimed to have been upset with boss Fernando Hierro for substituting him off. The Atleti forward is reported to have confronted Hierro with, "You don't know what you're doing." pic.twitter.com/XceQc6lviM
— beIN SOCCER (@belNSOCCER) June 15, 2018