Manchester City players clashed at halftime of their FA Cup triumph against Manchester United, revealed Nigel de Jong.
De Jong revealed City's second-half improvement against United was the result of a half-time row.
He said: "I won't give details but obviously everybody wants to win and sometimes you come face-to-face.
"It happened in the dressing room and it is just a small thing. But it keeps the fire alive.
"Everyone wants to win and we showed a great spirit in the second half."
