Giannis Gianniotas

2011–12 season

He started his career in youth teams of Aris. In 2011, new head coach Michał Probierz promoted him to the first team, and he made his debut on 5 November 2011, in a game against Olympiacos. He scored his first goal for Aris only during his second appearance for the team, in a game against OFI Crete. For that performance, he was named MVP of matchday 10 in the Greek Superleague. He scored another goal against Levadeiakos, and this one was named the best for the matchday 4. He also scored against Panetolikos F.C. in a 5–1 away loss. In total he scored three goals and he made 19 appearances.

2012–13 season

His first goal for this season came against Panathinaikos F.C. in a 1–1 away draw. His next goal came against PAS Giannina F.C. in a 1–2 home loss. He also scored against Asteras Tripolis F.C. in a 1–1 away draw. He managed to score in a Greek Cup match against Kallithea F.C. in a 3–1 away loss.

Fortuna Düsseldorf

In June 2013, he was transferred to Fortuna Düsseldorf. His previous club Aris received 450,000 euros for the transfer. He chose the jersey with the number "22" on the back, and signed a contract until 2016. "The people of Fortuna are keen for this transfer, I came to a great club with a great stadium", said the former Aris forward. "I always wanted to play in Germany," he said and concluded: "I hope that I can help Fortuna Düsseldorf to return in Bundesliga". On August 30, 2014 the Rhinelander agreed with the Greek first division Asteras Tripoli on a lending transaction until 30 June 2015.

Asteras Tripoli

On March 22, 2015 after a remarkable season with the club, Giannis Gianniotas became the 1st player of Asteras Tripoli that was called to play for the Greece.

On 23 March 2015, Gianotas alleged to have verbally agreed to Greek champions Olympiakos and seems that Fortuna Düsseldorf which has the player's rights contents to this transfer. Giannotas has another year contract with the German club. Fortuna Düsseldorf, which is trying for a rise to Bundesliga has no problem to release the Greek footballer, without being known if will claim an amount for transcription. It is noted that the situation should be clarified in the coming days. On 5 June 2015, Olympiakos reached an agreement with Fortuna Düsseldorf for the transfer of Giannis Gianniotas. The Greek international signed a 4-year contract worth €400.000 per year with the Greek champions, that will be pay Fortuna Düsseldorf €500.000 as a transfer fee.

Olympiakos

On 17 June, Olympiakos officially announced the transfer of Giannis Gianniotas from Fortuna Düsseldorf, adding another high-caliber Greek talent to their squad.

APOEL

On 31 December 2015, Gianniotas joined Cypriot club APOEL on a six-months loan deal, until the end of the 2015-16 season. He made his debut on 10 January 2016, starting the match and playing for 65 minutes in APOEL's 2–1 away victory against Aris Limassol for the Cypriot First Division. He scored his first official goal for APOEL on 17 January 2016, in his team's 3–0 home win against Enosis Neon Paralimni for the Cypriot First Division. On 28 April 2016, Gianniotas scored with a penalty kick against title rivals AEK Larnaca, and sealed the victory which secured his team's fourth consecutive Cypriot First Division title and the first title of his career.

On 12 July 2016, APOEL agreed with Olympiakos to extent Gianniotas loan for one more year, until the end of the 2016–17 season. On 2 August 2016, he scored the opening goal in APOEL's 3–0 home victory against Rosenborg BK for the third qualifying round of the UEFA Champions League, to help his team overturn a 2–1 loss in Norway and reach the play-off round of the competition. On 16 February 2017, he scored APOEL's second goal one minute before the end, in his team's 3–2 defeat from Athletic Bilbao at San Mamés, for the first leg of the UEFA Europa League round of 32. One week later, he scored again from the penalty spot, as APOEL won Athletic Bilbao 2–0 at home and advanced to the last 16 of the UEFA Europa League for the first time in their history.

Real Valladolid

On August 25, 2017 Gianniotas joined Real Valladolid on a season-long loan. On 16 September 2017, in his debut with the club he scored with a right footed shot from the centre of the box to the bottom right corner, afrer an assist from Míchel, giving a lead of two goals in a 2-1 home win game against Granada CF.

International career

Gianniotas made his international debut on 29 March 2015, in Greece's 0–0 away draw against Hungary for the UEFA Euro 2016 qualifiers. On 1 September 2016, he scored the winner in Greece's friendly 2–1 away win against Netherlands, pouncing on a rebound that Dutch keeper Jeroen Zoet let spill into a dangerous area. On 9 June 2017, after the final whistle in a 0-0 away draw for 2018 FIFA World Cup qualifiers against Bosnia, Gianniotas had a tooth knocked out by one of Bosnia Herzegovina’s assistant coaches (French national Stéphane Gilli) as tempers flared. It remains to be seen what action FIFA or UEFA will take against Bosnia, but on the video evidence, which clearly shows Gianniotas attacking first with a kick and then the punch from Stéphane Gilli which did the damage knocking out a tooth, both associations could be sanctioned. Since the incident Bosnian football association has issued an apology. Stéphane Gilli has expressed regret in aftermatch. A Bosnian former player and current chief director at AEK Athens Dušan Bajević, has said "This is a slap in the face for Bosnia".

Style of play

Gianniotas is well known for his acceleration and his explosiveness. He has very good dribble and usually his opponents stop him only with foul or strong tackle. His former teammate in Greece U-21 and current Iraklis' player, Apostolos Vellios, said for Gianniotas He is the best talent in Greece. If he is prepared to work hard and with some luck, he will have a great career.

Club

International

International goals

Honours