Ergotelis Born in
Ribeirão Preto, Brazil, Koutris moved to Greece at the age of 6. He started his career with an amateur team, Niki Rodos, where he was spotted by
Super League club
Ergotelis scouts in 2011. On 28 January 2013, he signed his first professional contract with the club and made his debut as a substitute in a match against Greek champions
Olympiacos on 1 December 2013. Already an international with the
Greek U19 and
U21 squads, and considered one of the greatest talents at Ergotelis, he renewed his contract with the club on 5 June 2014. After Ergotelis' relegation to the
Football League in the summer of 2015, and despite reported interest from Greek club
Panathinaikos, Koutris was one of the 17 players to hold out as part of the club's roster until the very end, which came in January 2016, when Ergotelis officially withdrew from professional competitions, and released all players from their contracts.
PAS Giannina As a
free agent, Koutris signed a three-year contract with
Greek Super League club
PAS Giannina on 26 January 2016. He scored his first goal for the club on 21 July 2016, during his
European debut, netting an
extra time away goal against Norwegian club
Odd during the
third qualifying round of the 2016–17 UEFA Europa League. This goal helped his club advance to the next round for the first time in its history, after winning the
two-legged tie 4–3 on aggregate. On 28 April 2017, he signed a contract with champions
Olympiacos for an estimated fee of €600,000.
Olympiacos On 25 July 2017, Koutris made his debut with the club in a 3–1 away win
UEFA game against
Partizan. He played all the international games of the club, helping
Olympiacos to reach
UEFA Champions League group stage, after a year. On 9 September 2017, he made his debut with the club in the
Super League in a 1–1 away draw against
Xanthi. In the same month, it was reported that
Eintracht Frankfurt and
Benfica were tracking Koutris whom Olympiacos were eager to offer a new contract. On 18 November 2017, he scored his first goal with the club, sealing a 2–1 home Super League game against
Levadiakos. He was voted MVP of the game. In November 2018,
West Ham United sporting director
Mario Husillos reportedly spent the international break watching Koutris with the club considering a move for him. In January 2019, Olympiacos rejected an official bid of Italian club
Genoa for Koutris in the range of €5 million.
Loan to Mallorca On 29 January 2020, Koutris was sent on loan to
La Liga club
Mallorca. On 15 February 2020, he made his debut the club as a substitute in the first half, replacing
Lumor Agbenyenu in a 1–0 win home game against
Deportivo Alavés. On 21 February 2020, it was announced he would miss six months after suffering an anterior cruciate ligament injury in a league match against
Real Betis.
Loan to Fortuna Düsseldorf On 2 October 2020, the
2. Bundesliga club announced the acquisition of the 25-year-old left back in the form of a loan until 2022, with a purchase option at the range of €3 million.
Pogoń Szczecin On 4 December 2022, it was announced he would leave Olympiacos permanently after five-and-a-half years to join Polish side
Pogoń Szczecin on a three-and-a-half contract. ==International career==