Fisher said that Joyce's "force has brought my strength along too" and that he is the "closest thing he has seen to a real life human wrecking machine".
[3][4] He made his professional debut on 20 February 2021 against Matt Gordon on the undercard for the David Avanesyan vs. Josh Kelly fight at the Wembley Arena.
His second fight was against Phil Williams, in the Manchester Arena, he won by TKO again, this time referee Howard Foster stopped the contest 1:46 into round three.
His fifth fight he won on points at Alexandra Palace against Gabriel Enguema, with referee Mark Bates scoring the contest 59–55 over six rounds.
[9][10] In his next bout, he defeated David Allen via split decision on 21 December 2024, at Kingdom Arena in Riyadh, Saudi Arabia as part of the undercard for the heavyweight world title rematch between Oleksandr Usyk and Tyson Fury.
[11][12] The decision was met with loud boos in the stadium and several observers, including former world champion Johnny Nelson[13] and ex-European title holder Spencer Oliver,[14] felt Allen had done enough to win the bout, while Fisher's promotor Eddie Hearn said: “I think the best I could hope for when I got in the ring was a draw.