Maroussi (2010–2012) Agravanis began his
professional career in 2010, with the
Greek Basket League club
Maroussi Athens.
Panionios (2012–2013) In 2012, Agravanis made a move to the
Greek Basket League club
Panionios Athens, where he also competed in the
European-wide 2nd-tier level
EuroCup competition. Despite averaging fewer than 7 minutes per game with Panionios Athens, he showed promising signs of talent and ability in the times that he played.
Olympiacos (2013–2019) In 2013, Agravanis made the big move to the
Greek League and
European-wide 1st-tier level
EuroLeague powerhouse
Olympiacos Piraeus, who believed in him as a strong prospect, and signed him to a 5-year contract. At the beginning of his first season, Olympiacos Piraeus won the
2013 edition of the
FIBA Intercontinental Cup title. In the
2014–15 EuroLeague season, Olympiacos Piraeus finished runners-up in the EuroLeague, after losing to
Real Madrid in the
EuroLeague Final. Olympiacos also won the
2014–15 Greek League season's championship, after beating
Panathinaikos Athens in the finals of the Greek League playoffs. During the season, Agravanis averaged 6.4 points per game, in 14.4 minutes per game in the Greek League, and 4.1 points per game, in 12.5 minutes per game in the EuroLeague. On July 24, 2019, Olympiacos Piraeus announced that they had waived his contract, and Agravanis thus became a
free agent, after spending six seasons with the Reds.
Promitheas Patras (2019–2022) Agravanis signed with the Greek
EuroCup club
Promitheas Patras in 2019. He averaged 8.2 points and 5.5 rebounds per game in the EuroCup's
2019–20 season. Agravanis re-signed with the team on July 15, 2020. During the
2021-22 campaign, in 29 Greek domestic league games, Agravanis averaged 14 points, 6.3 rebounds, 2.5 assists and 1.2 steals, while playing around 25 minutes per contest.
Napoli (2022) On September 27, 2022, the
Italian A League club
Napoli Basket, officially announced that they had signed Agravanis to a monthly contract, with a team option for the rest of the season. On October 31 of the same year, Napoli and Agravanis mutually parted ways. In 5 games played with the Napoli, Agravanis averaged 8.2 points and 4.8 rebounds per contest.
Peristeri (2022–2023) On November 4, 2022, Agravanis signed a two-year (1+1) contract with
Peristeri Athens, to play under the team's head coach
Vassilis Spanoulis. On January 31, 2023, however, he parted ways with the club. In 8 Greek domestic league matches, he averaged 10.9 points, 5.1 rebounds and 2.4 assists, while playing around 23 minutes per contest.
Panathinaikos (2023) On January 31, 2023, Agravanis, in a deeply controversial move for the fan base of
Panathinaikos Athens, signed a two-and-a-half-year contract with the club, after having previously played with their
derby of the eternal enemies arch-rivals,
Olympiacos Piraeus. This marked Agravanis' return to the
EuroLeague. In 4 EuroLeague games, he averaged 0.8 points and 2.5 rebounds, in 9 minutes per contest. Additionally, in 14 domestic Greek league matches, he averaged 8.2 points, 4.1 rebounds and 1.2 assists, in 18 minutes per contest. On July 15, 2023, Panathinaikos opted out of their mutual contract with him, and Agravanis thus became a
free agent.
Río Breogán (2023) On September 3, 2023, Agravanis signed with the
Spanish ACB League club
Río Breogán. He mutually parted ways with the team due to an injury.
AEK Athens (2024) On January 15, 2024, Agravanis signed with the Greek club
AEK Athens, for the remainder of the season.
Hefei Storm (2024) On May 30, 2024, Agravanis signed with the
Hefei Storm of the Chinese
National Basketball League (NBL).
Neptūnas Klaipėda (2024) On October 16, 2024, Agravanis signed a one-month contract with
Neptūnas Klaipėda of the
Lithuanian Basketball League (LKL).
Tindastóll (2025–present) In January 2025, Agravanis signed with
Tindastóll of the Icelandic
Úrvalsdeild karla.
NBA draft rights On 25 June 2015, Agravanis was selected with the 59th overall pick of the
2015 NBA draft by the
NBA's
Atlanta Hawks. His draft rights were then traded to the
Cleveland Cavaliers in 2017, and were then traded to the
Sacramento Kings a year later. On 8 February 2024, his rights were traded to the
Milwaukee Bucks. ==National team career==