The US-based basketball player formerly known as Enes Kanter became a United States citizen on Monday and changed his name to Enes Kanter Freedom to mark the occasion. Freedom, of Turkish heritage and raised in Turkey, took the oath of citizenship at a ceremony on Monday while donning a black t-shirt that read “US Citizen Est. 2021″. “It’s finally happened. I’ve been waiting for this moment since the day I stepped in America… probably the most unforgettable day of my life,’ the Swiss-born centre for the NBA’s Boston Celtics team told press after the ceremony. He also addressed his change of su…