Emmerson joined the Blues in January 2026 on a loan deal until the end of the season from Enterprise National League side FC Halifax Town. The second-youngest player in EFL history whilst at Oldham Athletic, aged 15 years and 73 days, Zak moved to Brighton & Hove Albion in 2020, whom he impressed for at youth level. A switch to Blackpool followed, where he was sent on a successful loan to Eastbourne Borough, with a record of five goals in 11 games, before a permanent move to Halifax in 2024.