Ferro Carril Oeste Pereyra Díaz began his professional career with
Primera B Nacional club
Ferro Carril Oeste.
Lanus On 6 March 2013, he signed with
Lanús. He made his debut with 'Granate' on 13 April 2013, as a substitute, in a league match where
Lanus beat
All Boys 2–1. Pereyra Díaz' first start came a few days later, on April 17, in a
Copa Argentina match against
Atlético Rafaela. With Lanús, he helped them win the
2013 Copa Sudamericana, being in the starting lineup in the first leg
final against
Ponte Preta.
Johor Darul Ta'zim 2014 Pereyra Díaz signed a three-year contract with
Malaysia Super League team
Johor Darul Ta'zim in May 2014. The transfer fee was rumoured to be US$2 million. He made his debut as a substitute in the first leg of the
Malaysia FA Cup semi final against
Pahang FA. On 20 May 2014, he scored a brace to help
Johor Darul Takzim came back from 0–2 down to win 3–2 against
LionsXII at Stadium Jalan Besar. He finished the season with 15 goals in 29 league appearances.
2015 During the 2015 season, he scored two goals against
Ayeyawady United in a 5–0 victory during the
AFC Cup. On 12 July 2015, Pereyra Díaz was loaned out to
Independiente.
Independiente (loan) Pereyra Díaz only made seven league appearances for
Independiente. After his four months loan spell, he returned to JDT.
2016 After his loan spell with
Independiente, Pereyra Díaz returned to JDT for the
2016 Malaysia Super League season. On 2 February 2016, he made his 2016 debut during the
2016 AFC Champions League qualifying play-off against
Muangthong United, where JDT were defeated 0–3 on penalties with Diaz missing the first penalty. He made his
2016 Malaysia Super League debut in a 1–1 draw against
Selangor FA, where JDT lifted their third
Sultan Haji Ahmad Shah Cup after winning on penalties (7–6
p). On 16 February 2016, Pereyra Díaz scored his first
Malaysia Super League goal of the season in a 2–0 victory against
T-Team F.C. He also contributed a goal and 2 assist during JDT's 8–1 victory against
Ayeyawady United in the
2016 AFC Cup group stage.
Club León (loan) On 21 January 2017, Jorge Pereyra Díaz joined
Liga MX club
Club León on loan from JDT. Pereyra Díaz made his debut for the club against
Atlas F.C. coming on as substitute in the 59th minute for
Germán Cano. On 13 August 2017, Pereyra Díaz scored his first goal for the club against
Club Necaxa.
2018 Pereyra Díaz returned to JDT after his loan spell with León. On 3 February 2018, Pereyra Díaz made his
2018 Malaysia Super League debut in a 2–1 victory against
Kedah Darul Aman FC. On 6 February 2018, Pereyra Díaz scored his first goal of the 2018 season against Perak FA II. On 9 May 2018, Pereyra Díaz terminated his contract with JDT.
Return to Lanus On 23 May 2018, Pereyra Díaz returned to his former club Atlético Lanús for the
2018–19 Argentine Primera División.
Bolívar On 30 December 2018, Pereyra Díaz joined
Bolivian Primera División club
Bolívar. He scored 19 goals in the
2019 Bolivian Primera División and won the Torneo Apertura title.
San Marcos On 26 November 2020, Pereyra Díaz signed for Chilean club
San Marcos for the
2020 Primera B de Chile season.
Platense On 11 February 2021, Pereyra Díaz signed for
Argentine Primera División club
Platense.
Kerala Blasters (loan) On 27 August 2021, Pereyra Díaz joined
Indian Super League side
Kerala Blasters on a season-long loan. He made his debut on 19 November in the
2021–22 season opener against
ATK Mohun Bagan FC, where he scored his debut goal but the Blasters suffered a 4–2 defeat at full-time. He scored again in the match against defending champions
Mumbai City FC on 19 December, where he netted a penalty in the 51st minute as Kerala Blasters won the game 3–0 away from home. Díaz scored again in the next match against rivals
Chennaiyin FC on 22 December, where he scored the opening goal of the game as the Blasters won the game with a score of 0–3. He scored his fourth goal of the season against
NorthEast United FC on 4 February 2022, where he netted the opening goal of the game as Kerala Blasters won the match 2–1 at full-time. After the Blasters' match against ATK Mohun Bagan on 23 February, Díaz was shown a direct red card after being substituted. He was the charged by the
All India Football Federation Disciplinary Committee for ‘violent conduct’. He was indicted for violating Article 48.1.2 of the AIFF Disciplinary Code mentioning that he 'broke the dugout panel, an act of violent conduct'. He was then given a one-game ban. Díaz was back after the one-match ban on 26 February to play against Chennaiyin, where he netted a brace as Kerala Blasters won the match 3–0 at full-time. In the Blasters' match against FC Goa on 6 March, Díaz scored another brace, which initially gave the Blasters the lead, but the match ended in a high-scoring 4–4 draw.
Mumbai City 2022-23 season In August 2022,
Mumbai City completed the signing of Pereyra Díaz, on a one-year deal. On 18 August, he made his debut for the club against
Indian Navy in the
Durand Cup, which ended in a 4–1 win. He provided the assist to
Vikram Pratap Singh for their equaliser. Six days later, he scored his first goal for the club, which was the equaliser for the club against
ATK Mohun Bagan, which ended in a 1–1 stalemate. On 28 October 2022, he scored his first ISL goal for Mumbai, coming away against his former club
Kerala Blasters at Kochi. Following a goal-less game against
ATK Mohun Bagan at home, he went on a four-game scoring streak, getting a goal away against
Chennaiyin FC, at home against
Bengaluru FC, at home away against
NorthEast United FC, and then a brace at home against
FC Goa. These goals were crucial in starting Mumbai's winning run, which extended to 11 games, which is an ISL record. Diaz's goals continued to help Mumbai break records, as the club also set the record for the longest unbeaten run in ISL history, standing at 18 games without defeat. This led to Mumbai winning the ISL Shield for the second time in their history, the only team to do so. This was Diaz's first trophy in India. The season was a fruitful one for Diaz, as he was able to contribute 21 goal contributions in the 24 games he played in all competitions. Due to his performances, on 26 May 2023, Diaz signed a one-year contract extension, valid until the end of the 2023-24 season.
2023-24 season Diaz made his first appearance of the 23-24 season in the
2023 Durand Cup on 5 August 2023 against
Mohammedan SC, where he also scored his first goal of the season, coincidentally on his 33rd birthday. He scored in the club's next two group stage matches as well against
Jamshedpur FC II and the
Indian Navy football team. He scored in the quarter final against
Mohun Bagan SG as well, but the Islanders eventually lost the match 3-1 and were knocked out of the Durand Cup. Diaz made his
AFC Champions League debut in the club's next match, at home against
F.C. Nassaji Mazandaran. Diaz played the full 90 minutes in a 2-0 loss for the Islanders. Diaz played his first ISL match of the season away against
NorthEast United FC, scoring a brace to help Mumbai win the match 2-1. In the club's next match away against
Odisha FC, he scored a late equalizer with a header to secure a 2-2 draw. In the club's first home match, against Diaz's former club
Kerala Blasters, he scored the first goal of the match with a close-range finish. His pressing also led to
Apuia's winning goal, as the match ended 2-1 in favour of Mumbai. After failing to score against
Hyderabad FC, Diaz scored the winning goal in a 2-1 win at home against
Punjab FC. His winning goal came 52 seconds after midfielder
Greg Stewart had scored Mumbai's equalizer. In the
2024 Super Cup semi final against
Odisha FC, Diaz was shown a red card following a brawl, and was eventually given a four-match ban. Even after serving his ban, he struggled with injury and illness, leading to his absence for three more games. He returned to action on 12 March 2024, at home against
NorthEast United, coming on as a 76th minute substitute for
Bipin Singh in an eventual 4-1 win for Mumbai. He scored his first goal after returning away against
Hyderabad FC through a penalty. This was the third and final goal of the match, which ended 3-0 to Mumbai. In the club's final game of the season, Mumbai needed to defeat
Mohun Bagan Super Giant to win the ISL Shield. However, the team lost 2-1, allowing Mohun Bagan to take the Shield. In the ISL Cup semi-final second leg, Diaz scored the first goal of the match with a close-range tap-in.
Lallianzuala Chhangte scored the second goal of the match, sending Mumbai to the ISL Cup final. In the final, once again against
Mohun Bagan Super Giant, Diaz scored the equalizing goal after running onto a long pass from
Alberto Noguera. Mumbai went on to win 3-1 after goals from
Bipin Singh and
Jakub Vojtus. This was Diaz's first ISL Cup, meaning he won both major ISL honours during his time at Mumbai. He was crucial in this ISL Cup triumph, scoring 10 ISL goals throughout the season. On 29 May 2024, Mumbai confirmed that Diaz would be leaving the club upon the expiry of his contract.
Bengaluru FC On 23 August 2024, after his Mumbai contract ended, Diaz signed for fellow ISL club
Bengaluru FC. On May 29 2025, Bengaluru announced he would be departing the club upon the expiry of his contract.
Return to Mumbai City On 17 June 2025, Mumbai City announced Diaz's return to the club. Diaz scored on his second debut for the club on 27 October 2025, opening the scoring in the club's first match of the
Super Cup against
SC Delhi. The match eventually ended 4-1 to the Islanders. ==Career statistics==