Butterfill came through the Leicester City Academy and joined Barnsley in the summer of 2022.[2] He scored on his first-team debut on 20 September 2022, coming on for Fabio Jalo as a substitute 70 minutes into a 2–0 win over Newcastle United U21 in an EFL Trophy group stage game at Oakwell.[3] He said that "it's my biggest moment. It was in front of a crowd as well, it was great".[4]