Born in Wales, Blythe began his football career within the academy system. He is primarily known for his association with Swansea City AFC, a club he joined at a young age. Blythe has progressed through the various youth ranks at Swansea, demonstrating potential as a defensive player.
As of recent seasons, Blythe has featured for Swansea City's U18 and U21 teams, competing in development leagues such as the Professional Development League. His performances at youth level have seen him occasionally involved in first-team training sessions and pre-season activities, though he has yet to make a senior competitive debut for the club.
Blythe's position is typically central defender, known for his defensive capabilities and ability to read the game. He represents a promising talent within the Swansea City academy structure.