*Club domestic league appearances and goals, correct as of 23:56, 9 November 2024 (UTC) ‡ National team caps and goals, correct as of 23:08, 19 November 2024 (UTC)
Born in Esmeraldas, Estupiñán joined LDU Quito's youth setup in 2011, aged 13. He was promoted to the first team ahead of the 2015 season, and made his professional debut on 1 February of that year by starting in a 1–0 home win against El Nacional.
On 9 August 2018, Estupiñán agreed to a one-year loan deal with RCD Mallorca in the second division.[7] The following 3 July, after achieving promotion, he signed a two-year loan deal with CA Osasuna, also freshly promoted.[8]
Villarreal
On 16 September 2020, Estupiñán signed a seven-year contract with Spanish side Villarreal for an initial fee of £14.9 million.[9][10]
On 16 August 2022, Estupiñán signed a five-year contract with Premier League side Brighton & Hove Albion for an undisclosed fee.[13] He made his debut four days later, coming on and replacing Adam Lallana in the 63rd minute in the 2–0 away win over West Ham United.[14] Estupiñán made his first start for the "Seagulls" on 27 August, helping Brighton to another win and clean sheet in the 1–0 home victory over Leeds United.[15] Estupiñán assisted returning World Cup championAlexis Mac Allister's flick-in in the 5–1 away victory over EFL Championship side Middlesbrough in the FA Cup third round on 7 January 2023.[16] Two weeks later, on his 25th birthday, he made a brace of assists, setting up both Kaoru Mitoma's opening goal and Evan Ferguson's late equaliser in the 2–2 away draw at Leicester City in the league.[17] On 29 January, Estupiñán added to his three recent assists to make it four in as many games. Lobbing in a cross to the back post, finding Mitoma who brought the ball under control and fired Albion to a 2–1 victory over Liverpool to advance to the fifth round of the FA Cup.[18] Two games later on 11 February, he added a further assist to his tally, with his searching delivery finding Solly March who fired in his effort to open the scoreline in the eventual 1–1 away draw against rivals Crystal Palace. Early on in the game he had a goal wrongly ruled out by John Brooks of VAR after the official drew the offside lines against the wrong player. Brooks was later dropped for his next two matches.[19][20] Estupiñán scored his first goal for the Albion on 14 May, hitting in stoppage time, scoring the third in the 3–0 away win at Arsenal, whilst assisting Julio Enciso's opener.[21]
After setting up Mitoma's opener, Estupiñán scored his second Brighton goal in their second match of the 2023–24 season on 19 August, in the 4–1 victory away at Wolverhampton Wanderers.[22]
On 28 December, after months out due to injury, Estupiñán scored a long-range goal after coming on as a substitute at halftime in a 4–2 win against Tottenham Hotspur.[23]
International career
Estupiñán made his debut for the Ecuador national team on 13 October 2019 in a friendly against Argentina that ended in 6–1 loss.[24]
Estupiñán played for Ecuador at the 2019 Copa América and was named in the Team of the Tournament[25] as La Tri reached the quarter-finals.[26]