Spence, 23, was a part of the Cardiff City academies and youth teams before joining the U21 setup at Crystal Palace. In the 21/22 Season Sion was loaned to EFL League Two side Bristol Rovers where he played a part in the Joey Barton side that won promotion to EFL League One on ‘Goals Scored’. Sion played 12 games in all competitions for ‘The Gas’ scoring 3, which included a match winning Brace in an FA Cup First Round Replay against Oxford United. Following his time at Bristol Rovers, Sion returned to Crystal Palace before joining Gloucester City on a permanent deal where he played under Hawks Manager Steve King in the Vanarama National League North in 2022/23. Spence played 19 games in all competitions scoring 6, including a stoppage time equaliser in their Play-Off Quarter Final against Brackley Town. At the end of the season, Spence departed for Kings Lynn Town where he has featured in all of the Linnets games so far in 23/24.