Excitement, anticipation and a flurry of shirt sales - nothing whets the appetite like a big-name player arriving in the Premier League.
Yet for every Mesut Ozil there's an Andrei Arshavin, for every Ruud van Nistlerooy a Juan Sebastian Veron.
Be it an established star who has won the lot, or a pricey prospect set to take the world by storm, the Premier League has seen it's fair share of big-name flops.
Here, GMS counts down five of the biggest dissapointments to grace the English game.
Feel free to comment with your alternative top fives below.