Video: Dutch international Jeremain Lens in trouble after tunnel fight with Feyenoord defender Joris Mathijsen

The KNVB (Dutch FA) will investigate PSV Eindhoven striker Jeremain Lens over an incident in the tunnel with Feyenoord defender Joris Mathijsen after Sunday’s top-flight game.

The international teammates clashed during Feyenoord’s 2-1 home win at De Kuip.

Lens sparked a mass brawl in the tunnel after the game as he waited to confront Mathijsen.

Lens received an undisclosed fine from his club took full responsibility for the altercation: “There were several incidents during the match but I should not have waited for him outside the dressing rooms,” he told a news conference.

“It got several other people involved and they tried to control the situation.”

The victory was a boost for Ronald Koeman’s young team in the hunt for the Eredivisie title. They are now in third place, just three points behind leaders PSV.