In 2021, Zych was part of the Aston Villa U18 squad that won the FA Youth Cup.[5] In August 2021, he was given a professional contract by the club.[6]
On 13 October 2022, Zych signed a contract extension with Villa.[7]
Loan to Puszcza Niepołomice
On 4 September 2023, Zych signed for Polish top flight club Puszcza Niepołomice on a season-long loan.[8] He made his Ekstraklasa debut on 15 September, in a 3–1 defeat to Śląsk Wrocław.[9] On 1 April 2024, in a 1–1 home draw against Radomiak Radom, Zych was beaten by a clearance by Radomiak's goalkeeper Gabriel Kobylak from outside his box.[10] Despite this, Zych received praise for his performances across the 2023–24 season, resulting in a nomination for the Ekstraklasa Goalkeeper of the Season award in May 2024.[11] He returned to England at the conclusion of the season.[12]
Senior debut
Zych was named in Aston Villa's pre-season squad for their tour of the United States of America in July 2024. He played his first senior minutes for Villa on July 27, 2024, coming on at half-time in a 4-1 defeat to Columbus Crew in Ohio, conceding a single goal to Dylan Chambost.[13]
International career
In 2019, Zych was named in the Poland U15 squad that was invited to join the 2019 South American U-15 Championship, however Poland ultimately withdrew from the tournament.[14]
On 7 February 2023, Zych was called up to a Poland U19 training camp for the first time, going on to captain the team in a 3–2 friendly victory over Czech Republic.[15]
In May 2024, Zych received his first under-21 call-up for a friendly against North Macedonia on 1 June 2024.[17] Later that month, Zych received his first call-up to the senior team, being named in Poland's provisional squad for UEFA Euro 2024.[18] His debut for the under-21 side only lasted twelve minutes – he was substituted in the 57th minute after picking up an injury while conceding the second goal in a 1–2 loss, which ruled him out of the tournament.[19]