He is on the books of Waterford United and wears shirt number 19. At international level, he features for Northern Ireland U19. His main role on the pitch is Forward. His stronger foot is Right. His estimated market valuation currently stands at 100K €.

His latest transfer saw him join Waterford United from Fleetwood Town U21 via on 2024-12-31.

During the Ireland Premier Division 2026 campaign, Sam Glenfield made 3 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 0 shots, with 0 on target.