Huddersfield Giants

Cudjoe was awarded a full-time contract with the Giants at the end of the 2006 season.^[9] His 2007 season was partly disrupted due to a broken hand sustained in May, and he did not make a first team appearance although won the Huddersfield Reserves Player of the Year award at the end of the season. He made his Super League début in the opening round of the 2008 season against Leeds Rhinos.^[10] He scored his first competitive try for the club in the 50–16 victory over Hull Kingston Rovers in May 2008. He continued to be a favourite during the 2011 and 2012 seasons at his hometown club Huddersfield.^{[citation needed]}

In the 2013 Super League season, he played 29 games as Huddersfield claimed the League Leaders Shield for the first time in 81 years. Huddersfield would ultimately fall short of a grand final appearance that year.^[11] After 10 years with the club, Cudjoe was given a Testimonial in 2018 by Huddersfield. In round 15 of the 2021 Super League season, he played his 300th match for Huddersfield and scored a try in the club's 40-26 victory over Hull F.C.^[12] On 28 May 2022, Cudjoe played for Huddersfield in their 2022 Challenge Cup Final loss against Wigan.^[13]

Yorkshire

He was selected to play for Yorkshire Academy in the fixture against Lancashire Academy in the 2005 season.^{[citation needed]}

England Academy

This fixture is often seen as a trial game for the full England Academy team and although he initially made the England training squad, Leroy missed out on a place in the final England squad.^{[citation needed]}

England

He played his first match for England in the 2010 Four Nations tournament.

He played for England in the 2013 Rugby League World Cup.^{[citation needed]}