he was brought on at half-time; three minutes later, he scored. The game then went to 2–2 before AEK Athens scored what seemed to be the winning goal in stoppage time. However, with the last touch of the game, Derbyshire headed an equaliser in the sixth minute of added time, bringing the score to 3–3, after having suffered a broken nose and suspected concussion following a clash with an opponent. He stated afterwards that he realised he had scored from the cheers of fans. Olympiacos went on to win the match 15–14 on penalties, and Derbyshire received the Man of the match award for his efforts. He signed a four-year contract with Olympiacos on 23 June 2009 after the clubs agreed a fee reported as £3m. On 21 March 2010, Derbyshire scored the winning goal against Panathinaikos, in a 1–0 away victory, and was instantly nicknamed The English Killer by the Greek media. In August 2010, the team's new coach, Ernesto Valverde, told Derbyshire that he was not part of his plans for the 2010–11 season, so he should search for a new team. Birmingham loan Derbyshire returned to England when he signed for Birmingham City on 16 August 2010 on loan for the 2010–11 Premier League season, with a possibility of the deal being made permanent at the end of that time. He made his debut against former club Blackburn Rovers on 21 August as a second-half substitute for fellow new signing Nikola Žigić, and scored his first goal for the club five days later in a 3–2 League Cup victory over Rochdale. After waiting until January 2011 for his first Premier League start for Birmingham, against Blackpool, he then scored twice in the 4–1 win at Millwall in the third round of the FA Cup. Derbyshire never established himself in the first team, and despite making five appearances in that season's League Cup competition, he was omitted from Birmingham's squad for the final, in which Birmingham achieved a shock 2–1 victory against Arsenal. He left the club at the end of the season after their relegation from the Premier League. Nottingham Forest Derbyshire signed a three-year contract with Championship club Nottingham Forest on 10 August 2011. The fee was undisclosed. He was issued squad number eight. Upon signing, Derbyshire stated the importance to his career of getting regular first team football again. At Forest Derbyshire renewed acquaintance with