Date for UFC flyweight tournament rematch announced

It was announced on UFC Tonight that the Ian McCall vs. Demetrious Johnson flyweight tournament rematch would be headlining an FX show on 6/8.

The location of the show has not been announced. It had been previously reported here that the fight would take place on 6/1.

Who would you have the most interest in for Fabricio Werdum's next title defense?