Original sentence: After struggling to get into the Derby team in his first 18 months at the club, during which the Rams suffered relegation, Davis reunited with former Sheffield United boss Neil Warnock by signing a loan deal to play for Crystal Palace.Born in Kingston, Jamaica, Davis captained Portmore United to the Jamaican National Premier League title in 2002/03.Davis was not officially registered as a Derby County player until 25 July 2007, after a delay with his work permit, the reason behind this delay was that Davis had not played enough international games over the two years previous to his move to automatically get a permit, he missed a percentage of these games due to injury.During a match against Cardiff City he was involved in a challenge with Roger Johnson that left the latter in hospital, resulting in a three match ban for violent conduct, ending his loan spell at the Eagles.During the 2004/05 season he provided Chris Lucketti and Youl Mawene with real competition for centre half positions and made 38 appearances for Preston, including the Championship play-off final where Preston lost to West Ham.He left Portmore for a trial with Preston North End in the summer of 2003.He signed for Preston North End from Portmore United in July 2003, initially on loan for the 2003-04 season before concluding a permanent deal at Deepdale in March 2004.However, he missed the start of the Premier League season after sustaining a knee cartilage injury in a friendly against Notts County in August 2006 at Meadow Lane.In the 2005-06 season, Davis established himself as the mainstay of the Preston defence, contributing to 24 clean sheets and swept the board at the club's Player of the Season awards, named both the Player's Player and fans Player of the Season, as Preston reached the play-offs again.In total he made 22 league and cup appearances for the Blades.Later in the season, he hit the headlines for a disagreement with Ade Akinbiyi at the training ground, which was later resolved.On 14 June 14 2006, he signed on a four-year deal with Sheffield United for a club record £3 million, with up to £500,000 to follow based on his appearances for the Blades.On 6 July 2007, newly promoted Derby County agreed a £3million transfer for Davis with Sheffield United, subject to a medical and work permit, signed a four-year contract on the same day