Aris (2011–2015) 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. In the
2012–13 season, he appeared in 21 games, averaging 3.9 points and 2.5 rebounds per game. He was named the
Greek League Best Young Player in 2013. In August 2013, he re-signed with Aris for 3 years. He was named the Greek League Best Young Player again in 2014. In the local derby against rivals
PAOK, during the
2014–15 season, Vezenkov achieved Greek League career-highs in scoring and rebounding, with 29 points and 14 rebounds respectively. During 26 regular season games, Vezenkov led the league in total points scored, with 469, and was second in total rebounds grabbed, with 201. In total, he played in 37 games during the
2014–15 Greek Basket League season, averaging 16.8 points, 7.3 rebounds, and 1.6 assists per game. He was the league's official full-season leader in scoring and rebounding. He was also named
the league's MVP,
Most Improved Player, and
Best Young Player that season. Vezenkov had originally planned to enter the
2015 NBA draft, but later withdrew his name from it before the deadline that was set for international players in June.
Barcelona (2015–2018) On 31 July 2015, Vezenkov signed a four-year deal (with the 4th year being optional) worth €2 million net income, with the
Spanish ACB League club
FC Barcelona. FC Barcelona also paid a €315,000 buyout fee to Vezenkov's former club, Aris. Vezenkov's contract with FC Barcelona also included a buyout option for the
NBA, set at the amount of €1 million. The Spanish League club
Valencia Basket, and the Greek League club
Panathinaikos, were also interested in signing Vezenkov to a contract at the time.
Olympiacos (2018–2023) On 12 July 2018, Vezenkov signed a two-year deal with
Olympiacos of the
EuroLeague. On 10 July 2020, Vezenkov signed a two-year extension with the team. He recorded his EuroLeague career-high on 18 March 2021, scoring 31 points in an 80–84 win at
Alba Berlin. In the 2021–22 season, Vezenkov established himself as a regular starter at Olympiacos. On 20 February 2022, he recorded 18 points and 13 rebounds in the Greek Cup Final against arch-rivals Panathinaikos, helping the club win its first title after 6 years. He was also named EuroLeague February MVP, playing an important role in Olympiacos finishing second in the Euroleague Regular Season with a 19–9 record, the club's best ever finish. On 27 April 2022, he scored 17 points and grabbed 9 rebounds in the 83–87 road win, in Game 3 of the playoff series against
Monaco, helping his team regain homecourt advantage and eventually qualify for the
EuroLeague Final Four, for the first time since 2017. He finished the EuroLeague season averaging 13.7 points, 5.9 rebounds and a Performance Index Rating of 17.8. His performance earned him a spot in the All-EuroLeague First Team. On 17 June 2022, in Game 3 of the Greek League Finals against Panathinaikos, he recorded 25 points, 6 rebounds and 3 assists, with Olympiacos completing the domestic Double, having swept their rivals. Vezenkov won the
Bulgarian Sportsperson of the Year award in 2022, which made him the second basketball player to win the award after
Vanya Voynova in 1958. In the
2022–23 EuroLeague season, Vezenkov was chosen as the
EuroLeague MVP and won the
Alphonso Ford EuroLeague Top Scorer Trophy, which made him only the second player to win both accolades in the same season, after
Nando de Colo in 2016. In 40 EuroLeague games, he averaged 17.6 points (66% from the field, 38% from beyond the arc, 88% from the free throw line), 6.8 rebounds, 1.9 assists, with a 21.5 PIR (Performance Index Rating), playing around 29 minutes per contest.
Sacramento Kings (2023–2024) On 22 June 2017, Vezenkov was selected with the 57th overall pick in the
2017 NBA draft by the
Brooklyn Nets. On 14 January 2021, the
Cleveland Cavaliers acquired his draft rights from the Nets in a multi-team trade involving
James Harden. On 23 June 2022, his rights were traded to the
Sacramento Kings for the 49th pick in the
2022 draft, which was used to pick
Isaiah Mobley. On 18 July 2023, Vezenkov signed a three-year, $20 million deal with the Kings. He played one season with the Kings, averaging 12 minutes per game and 5.4 points per game. On 28 June 2024, Vezenkov,
Davion Mitchell, the draft rights to
Jamal Shead, and a 2025 second-round draft pick were traded to the
Toronto Raptors in exchange for
Jalen McDaniels. On 22 July 2024, he was bought out by the Raptors.
Second stint with Olympiacos (2024–present) On 25 July 2024, Vezenkov returned to
Olympiacos of the
Greek Basket League. On 31 October, he received a Hoops Agents Player of the Week award for Round 6. Vezenkov had 23 points, eight rebounds, and two assists. On January 10, 2025, Vezenkov recorded his career-high performance, scoring 45 points against
Bayern Munich. On February 6, he named the Most Valuable Player of Round 25 of the 2024-2025 Turkish Airlines Euroleague Regular Season. Vezenkov had 23 points in the game. At the end of the season, Sasha Vezenkov was named Euroleague Playoff MVP. ==National team career==