Merrie joined Wigan Athletic in 2013, after progressing through the Everton youth ranks.[1] On 8 August 2017, Merrie made his Wigan debut during their EFL Cup tie against Blackpool, which resulted in a 2–1 victory for the Latics.[2] On 31 August 2017, Merrie joined National League North side Southport on a season-long loan deal.[3] However, after featuring just five times, scoring once, Wigan recalled him in November 2017.
In March 2018, he joined Altrincham on loan until the end of the season.[4] He helped the club win promotion from the Northern Premier League, scoring one goal in eight games.[5][6]
Tranmere Rovers
In June 2021, Merrie turned down a new contract with Wigan and joined Tranmere Rovers on a two-year deal.[7] In May 2023, he signed a new one-year contract with the club.[8]