Is Mark Hughes the worst manager in the the English Premier League ever?

He signed Jo for 19 million and loaned him out to Everton, He signed Ben Haim who is now with Sunderland, He wants to sell Elano even though he scored 10 goals last season, and he signed Bellamy who is arrogant and said after Manchester City lost to 10 man Stoke the team needs more players which show he has no clue what he is doing