Demetrious Johnson on UFC 210 knee controversy: ‘It’s a stupid rule’

Demetrious Johnson Esther Lin, MMA FightingThe controversial ending to Saturday night’s UFC 210 fight between Gegard Mousasi and Chris Weidman struck a chord with UFC flyweight champion Demetrious Johnson.

Johnson, you may recall, had his own controversy about knees and grounded fighters in his very first flyweight title defense against John Dodson at UFC on FOX 6.

That bout turned on a knee landed by Johnson when Dodson appeared to have his hand on the mat, which would have technically made Dodson grounded under the rules at the time.

“I’ve had the same thing happen when I fought John Dodson for the first time,” Johnson said Monday. “He was playing that game. When you play that game you’re…