Matt Kiatipis once believed he was destined for the NBA. His hoop dreams had taken him from his home in the Toronto suburb of Newmarket to a prep school in North Carolina to a DII scholarship. Eventually, he signed a professional contract in Costa Rica. But the rigid structure of organized basketball didn’t align with his rebellious spirit. So he found a space that did: social media. At 21 years old, he returned to Canada certain only that he would follow his instincts. Soon, Kiatipis, known as MK on the court, was appearing in mic’ed-up 5-on-5 games with his friend, the street-baller KSHOWTIME. “I’m gonna just go film and see what happens,” he said to himself as he stepped on the court. “If I do what I know I can do—talk shit, no refs, no professional ball— I feel like it’ll go viral.” He says he gained 10,000 followers on IG after posting his first video in August 2021. The next clip netted him another 10,000 followers. But that was nothing compared to what he bagged on his third run.…