sentences:  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.