He currently plays for Nottingham Forest U21, wearing the number 2 shirt. He plays primarily as a Midfield. His preferred foot is Right.

His most recent move was a from Nottingham Forest U18 to Nottingham Forest U21 on 2024-07-01.

Across 12 appearances in the Premier League 2 2025-2026, Jimmy Sinclair registered 1 goals and 0 assists, while completing 12 key passes out of 325 total passes with a passing accuracy of 21.4.