Manchester United boss Louis van Gaal has his Holland squad taking lumps out of eachother.
Robben kicked out at Martins Indi after one tackle and lay on the ground clutching his back after another strong challenge by the Feyenoord defender on Sunday.
Martins Indi admitted afterward that the pair had clashed. Robben did not speak to the media.
"Arjen is a good dribbler. I thought he fell needlessly once," Martins Indi said. "We had a little head-to-head."
A reporter said to Martins Indi that he thought he had seen irritation between the two, to which Martins Indi replied, "You saw right."
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