United. He struck up an impressive partnership at the centre of the defence with fellow new recruit John McGreal at the start of the season, starting in the majority of games. On 24 December, Sinclair signed a new two-year contract extension until June 2007, with "Clarets" manager Steve Cotterill stating that "he has been an integral part of our defence". In January 2005, he was appointed as captain following the departure of Robbie Blake to Birmingham City. On 5 February, he was sent off in the local derby defeat to Leeds United after receiving two bookings. His first goal for the club came from a header on 12 March, in a 2–1 win over Rotherham United at Turf Moor. Towards the end of the season he received plaudits for his impressive partnership with young loan signing Gary Cahill and made a total of 42 appearances in his first season with the club as the side finished in mid-table. He remained a regular during the 2005–06 season but more often than not he was asked to play out at right-back rather than his preferred central position, even playing when not fully fit due to the side's injury problems. On 1 November, he was on the receiving end of alleged racism in a 2–1 win over Millwall, with opposing player Ben May being sent-off in the tunnel at half-time for words said to Sinclair. However, both players later denied that the incident happened. He made a total of 40 appearances in all competitions as Burnley finished in 17th-place. At the start of the 2006–07 season, with Sinclair's first team place no longer assured, Steve Cotterill handed over the captaincy to new signing Wayne Thomas. He played invariably at the start of the season and usually played in the right-back position. On 18 November, he was sent-off in the 3–0 away defeat to West Bromwich Albion for two bookings in what was his hundredth appearance for the club. Whilst suspended and injured he lost his place in the side and struggled to regain it. His final game for the Burnley came on 23 January in a 1–0 home defeat to Stoke City. He made a total of 102 appearances for Burnley, scoring only once. Huddersfield Town On 8 February 2007, Sinclair moved to Huddersfield Town on an emergency loan deal. On 24 March, he was sent off against Brighton & Hove Albion in