|Date of birth||21 February 1999|
|Place of birth||Galatina, Italy|
|Height||1.85 m (6 ft 1 in)|
|2019–2020||→ Vibonese (loan)||20||(0)|
|2020–2021||→ Pro Patria (loan)||34||(0)|
* Senior club appearances and goals counted for the domestic league only and correct as of 22 May 2021|
‡ National team caps and goals correct as of 7 October 2016
He is a product of Roma youth teams and started appearing for their Under-19 squad in the 2016–17 season.
He first appeared for Roma's senior squad on 14 July 2018 in a pre-season friendly against Latina. He was called up to the senior squad on several occasions in the 2018–19 Serie A seasons, but did not make any appearances.
Loan to Vibonese
On 18 July 2019, Greco was loaned to Serie C club Vibonese on a season-long loan deal. He made his professional Serie C debut for Vibonese on 25 August 2019 in a season-starting game, a 1–0 away deafeat against Monopoli. He established himself as Vibonese first-choice goalkeeper early in the season. Three weeks later, on 15 September, Greco kept his first clean sheet for the club, a 3–0 home win over Rende. Greco ended his season-long loan to Vibonese with 20 appearances, 30 goals conceded and only 1 clean sheet and he also remaining an unused substitute for 9 other league matches.
Loan to Pro Patria
On 12 August 2020, Greco was signed by Serie C club Pro Patria on a season-long loan deal. On 27 September he made his debut for the club and he also kept his first clean sheet in a 0–0 away draw against Carrarese. Ten days later, on 7 October, he kept his second clean sheet in a 1–0 away win over Olbia, and on 10 October, his third in a 0–0 home draw against Pistoiese. Greco helped the club to reach the play-off, however the club lost 3–1 against Juventus U23 in the first round and he ended his season-long loan with 35 appearances, 27 goals conceded and 18 clean sheets.
He was first called up to represent his country in 2014 with the Under-15 squad.
He later appeared for Under-16, Under-17 and Under-18 squads, all in friendlies. He was not selected for the 2016 UEFA European Under-17 Championship squad despite receiving call-ups at qualification stage.
- As of 22 May 2021
|Vibonese (loan)||2019–20||Serie C||20||0||0||0||—||—||20||0|
|Pro Patria (loan)||2020–21||Serie C||34||0||0||0||—||1||0||35||0|
- All appearance(s) in Serie C play-off.
- Stefano Greco DSDS 2020 film.tv
- Stefano Greco at TuttoCalciatori.net (in Italian)
- "Latina v Roma game report". Sky Sports. 14 July 2018.
- "CALCIOMERCATO UFFICIALE A Vibo il portiere Stefano Greco ed il centrocampista Luigi Mendola" (Press release) (in Italian). Vibonese. 18 July 2019.
- "Monopoli v Vibonese game report". Soccerway. 25 August 2019.
- "Vibonese vs. Rende - 15 September 2019 - Soccerway". uk.soccerway.com. Retrieved 2019-10-03.
- "Italy - S. Greco - Profile with news, career statistics and history - Soccerway". uk.soccerway.com. Retrieved 2020-08-19.
- "UFFICIALE: Pro Patria, arriva il portiere Greco in prestito dalla Roma - TUTTOmercatoWEB.com". www.tuttomercatoweb.com (in Italian). Retrieved 2020-08-19.
- "Carrarese vs. Pro Patria - 27 September 2020 - Soccerway". uk.soccerway.com. Retrieved 2020-10-10.
- "Olbia vs. Pro Patria - 7 October 2020 - Soccerway". uk.soccerway.com. Retrieved 2020-10-10.
- "Pro Patria vs. Pistoiese - 11 October 2020 - Soccerway". uk.soccerway.com. Retrieved 2021-05-22.
- "Greco Italy U15 profile by FIGC" (in Italian). Italian Football Federation. Retrieved 2 October 2019.