During the 2007–08 season, Middlesbrough participated in the Premier League. The season saw them play their 4000th league game, versus Reading on 1 March 2008. They reached the third round of the League Cup, where they were knocked out by eventual winners Tottenham Hotspur, while in their FA Cup campaign they were knocked out by Championship side Cardiff City.

Gareth Southgate continued as manager under chairman Steve Gibson. George Boateng retained the captaincy from the previous season, until being replaced at the beginning of 2008 by Julio Arca. Arca's poor form saw him dropped in March, and Emanuel Pogatetz was handed the captaincy in his absence, and later retained it upon Arca's return to the side, though any permanent decision was put off until the following season.

January saw Middlesbrough smash their transfer record to pay a fee of around £12 million for Brazilian striker Afonso Alves.

During this season, Middlesbrough's kits were produced by Erreà. 888.com's contract with the club expired, and after prolonged negotiations leading to a delay in the release of the new kit, Middlesbrough announced that the new sponsors would be GPS manufacturer Garmin on 20 July 2007.

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