 On 16 May 2013, Vezenkov committed to play American college basketball in the Big East Conference, at Xavier University, with the Xavier Musketeers.However, he ultimately decided to stay in Greece with his club team Aris instead.Vezenkov began his pro career with the senior men's team of Aris, in the Greek League, in 2011, appearing in 10 games, with an average of 2.5 minutes on the floor.