assistant manager Rob Kelly, who was his coach when he was a youth player at Blackburn Rovers. Derbyshire made his debut for Forest on 16 August in a 1–0 away win against Doncaster Rovers. His first and only goal in the 2011–12 season was the opener in a 3–2 away defeat to Southampton. On 14 September 2012 Derbyshire went on loan to League One club Oldham Athletic in a short-term deal. He scored on his debut a day later, scoring in a 2–2 draw at home to Notts County. He scored again in the following game, earning a point for Oldham in a 1–1 draw against Scunthorpe United. Derbyshire's third goal for Oldham came in a 2–0 away win over Crewe Alexandra. He scored again in a 2–0 win at home to Leyton Orient, but the goal was controversial as Orient manager Russell Slade accused Derbyshire of a "blatant" handball offence that the referee did not see. Manager Paul Dickov then stated his desire to keep him at the club, and the spell was extended until 15 December. In January 2012 Derbyshire went on loan to Championship club Blackpool but failed to score for them. Rotherham United Derbyshire signed for newly promoted Championship team Rotherham United on a two-year contract on 30 May 2014. Before his departure in summer 2016 he scored 17 goals in 69 matches for the club. Omonia Nicosia On 17 June 2016, Cypriot First Division club Omonia Nicosia announced the signing of Derbyshire. He made his debut on 30 June against FC Banants Yerevan in the first leg of the Europa League first qualifying round, and scored the only goal of the match. In his first league appearance, in a 3–1 win against Ermis Aradippou, Derbyshire opened the scoring with a second-minute penalty. On 4 January 2017 he drew attention when he scored a hat-trick against Ethnikos Achna in 4 minutes, overturning a 2–0 deficit against Omonia, that gave his side a valuable league victory. He continued to score regularly, and finished the season as the league's top scorer with 24 goals, three more than his nearest rival. On 9 August 2017, Omonia announced the extension of his contract until the summer of 2021. In th first game of the 2017-18 season, on 10 September 2017, he scored both goals for Omonia against Ethnikos Achna. He scored 23 goals from 33 appearances over the season, which