The 20 absolute worst signings in the Premier League this season: Chelsea and Man U flops all rank high

7. Danny Welbeck – Manchester United to Arsenal, £16m

He may have managed to bag two hat tricks over the course of the season, there is no doubt that Arsenal are a better side when Olivier Giroud is leading the line. If Wenger was going to sign a striker, he needed somebody prolific, not dat guy.