In 2018, he was named by The Guardian as one of the 60 best young talents in world football.[4]
Club career
Early years
Sayyadmanesh started to play club football when he was 8. He began his career at Arash Amol, where he was top goalscorer in Iran's under-10 league. After four years, he joined Padideh Sari, where he spent two years. He later spent a year in Saipa's youth academy.
On 12 June 2018, Sayyadmanesh signed a five-year contract with Esteghlal.[5][6] He was assigned the number 16 shirt, previously worn by Mehdi Ghaedi, who decided to change his number.[7]
Fenerbahçe
On 3 May 2019, Sayyadmanesh signed a five-year contract with Turkish club Fenerbahçe in a $850,000 transfer.[8][9][10] He was loaned to TFF 1. League club İstanbulspor on 2 September 2019 on a season-long loan.[11] Sayyadmanesh left Fenerbahçe on 9 July 2022 to join English Club Hull City.
Zorya Luhansk
On 6 October 2020, Sayyadmanesh was loaned to Ukrainian club Zorya Luhansk on a year-and-a-half long deal, with an option to buy him for €3.5 million.[12] On 25 October 2020, he scored on his league debut for Zorya in a 4–0 win against Rukh Lviv.[13] On 3 December 2020, he scored the winning goal in a 1–0 win against English Premier League club Leicester City in the group stage of the Europa League.[14] Sayyadmanesh was selected to be among the Ukraine Premier League's best eleven players of the 2020–21 season.[15]
Hull City
On 31 January 2022, Sayyadmanesh was loaned to English club Hull City on a half-year deal until the end of the 2021–22 season.[16] He made his debut on 5 February 2022 in the home match against Preston North End when he came on as an 84th-minute substitute for Richie Smallwood.[17]On 15 April 2022, Sayyadmanesh scored on his league debut for Hull City in a 2–1 win against Cardiff City.[18]
On 9 July 2022, Sayyadmanesh signed permanently for the English club Hull City from Turkish side Fenerbahçe with transfer fee €4.5 million.[19] He signed a four-year contract with an option of a further year.[20]
Westerlo
On 31 January 2024, Sayyadmanesh signed for Belgian Pro League club Westerlo on a two-and-a-half-year deal for an undisclosed fee.[21]
He made his senior national team debut on 6 June 2019, in a friendly against Syria, as an 80th-minute substitute for Karim Ansarifard. Nine minutes after coming on, he scored the last goal of the game in a 5–0 victory.[22] The goal broke Saeid Ezatolahi's record of the youngest goalscorer in Iran national team's history by almost two years.[23]
^Christenson, Marcus. "Next Generation 2018: 60 of the best young talents in world football". The Guardian. Retrieved 20 July 2019.
^"Allahyar Sayyadmanesh Joins Iran's Esteghlal on Five-Year Contract". Tasnim News Agency. 13 June 2018. Retrieved 12 June 2018.
^"صیادمنش به استقلال پیوست" [Sayyadmanesh joined Esteghlal]. Esteghlal. 12 June 2018. Archived from the original on 15 June 2018. Retrieved 26 July 2019.
^"پیراهن انصاری را پس میگیرند؟". Iran Varzeshi. 5 August 2018. Retrieved 26 July 2019.