The 2007–08 season was the 110th season of competitive football played by Arsenal. The club ended their Premier League campaign in third position, having led the table for two-thirds of the season. Arsenal made it into the quarter-finals of the UEFA Champions League, but were eliminated on aggregate score against Liverpool. The team exited the FA Cup in the fifth round to Manchester United and lost in the semi-finals of the League Cup to Tottenham Hotspur.

Arsenal sold striker and club record goalscorer Thierry Henry to Barcelona, in the transfer window. Other departures included first team players Fredrik Ljungberg and José Antonio Reyes to West Ham United and Atlético Madrid respectively; defender Bacary Sagna and striker Eduardo were the notable purchases from Auxerre and Dinamo Zagreb, respectively.

A strong start to the season saw Arsenal top the league table by September. Defeat against Sevilla in November ended a run of 28 matches undefeated and it was not until a month after did the team lose in the league for the first time, away at Middlesbrough. Arsenal extended their league lead to five points in February, but a career-threatening injury to Eduardo against Birmingham City coincided with the team going on a run of four draws in the Premier League. Manchester United soon overtook them in first and defeat to Chelsea in March moved Arsenal down in third place, where they remained at the end of the season.

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