Hamilton Academical Waterworth joined Hamilton from
Lisburn Distillery in January 2008 for a fee of £20,000. He made his debut against
Aberdeen in the
Scottish Cup in February. He scored his first goal for Hamilton against
Dundee in April 2008, but returned to Northern Ireland having made only 10 appearances during eight months in Scotland.
Glentoran After leaving Hamilton Accies, Waterworth joined
Irish Premiership side
Glentoran. During his time with the East Belfast side, he won winners medals in both the Irish Premiership On 9 May 2013, Glentoran announced on their website that Waterworth would not be signing a new contract.
Linfield In May 2013, Linfield confirmed that they had signed Waterworth on a two-year contract. On his Linfield debut, Waterworth broke a bone in his leg which side-lined the striker for two months. However, he eventually made his league debut for Linfield on 14 September 2013, scoring a hat-trick in a 4–1 win against
Ballymena United at
Windsor Park, and went on to score 11 goals in his first eleven league appearances to put his side top the table. His first trophy with the Blues arrived in the form of the 2013–14
County Antrim Shield, after a penalty shoot-out victory over Crusaders in the final.
Glenavon On 30 May 2021, it was announced that Waterworth, alongside team-mates Mark Haughey and Mark Stafford, had signed for
Glenavon on the expiry of their contracts at Linfield. Waterworth made his Glenavon debut coming on as a sub in a 1–1 draw with
Portadown, and scored his first goals for the club a week later, notching a brace in a 6–1 victory over
Warrenpoint Town. It was announced on 2 July 2022 that Waterworth had retired from football. ==International career==