*Club domestic league appearances and goals, correct as of 23:45, 26 November 2024 (UTC) ‡ National team caps and goals, correct as of 20:19, 29 May 2023 (UTC)
Simons signed for Chelsea in 2016 from local rivals Brentford.[5] He made his Chelsea debut on 22 December 2021 in the quarterfinals of the EFL Cup, starting in a 2–0 win against his former club at Brentford Community Stadium.[6]
Hull City
On 1 September 2022, he moved on loan to Hull City for the season.[7] On 16 March 2023, it was announced that Simons would join Hull City permanently in July.[8] He scored his first goal for the club on 23 October 2024 in the 1–1 home draw against Burnley.[9]
Fleetwood Town
On 1 September 2023, Simons joined EFL League One club Fleetwood Town on loan for the remainder of the 2023–24 season.[10] On 20 April 2024, Simons scored his first goal for Fleetwood Town.[11]
On 21 May 2023, Simons was added to the England squad for the 2023 FIFA U-20 World Cup as a replacement for the injured Aaron Ramsey.[13] He made his U20 debut as a substitute in the opening game of the tournament, a 1–0 victory over Tunisia.[14]