Peter Byrne/PA Wire/Press Association ImagesIt's all change at Anfield as the summer transfer window opens, Brendan Rodgers sticks his head out of it and has a good whiff of the potential that's out there. Which is to say, Liverpool are already in the thick of buying and selling members of its squad, having snapped up Southampton captain Adam Lallana for a cool £25 million yesterday, with rumours that the young trio of Suso, Samed Yesil and Luis Alberto are to be permanently shed from the roster over the coming weeks. And the ongoing saga of Luis Suarez which looks set to end his dramatic and thrilling time at Anfield. Players leave a team for any number of reasons, but in the age of super star agents, bidding wars and tabloid hearsay thrown into the mix, the decision increasing lies not with managers, boardroom members or coaches, but with the players themselves. Well, unless your name is Andy Carroll, in which case you don't really have much choice than to go lumber up and down Upton Park for the rest of your days and never darken our door again. There are plenty of examples of players who seemingly outgrew the Kop and longed for bigger things - it's hard to argue that things haven't worked out for Xabi Alonso or Javier Mascherano, who left the streets of Liverpool in favour of the bright lights and more temperate climates of Spain - but equally as many who totally screwed the pooch when they decided to take their leave of Anfield. Players whose careers turned out to have peaked whilst they never walked alone, those who never recovered from injuries sustained soon after departing, even strikers who seemed to forget how to play as long as they were out of a Liverpool shirt. Here are just ten players who, all things considered, probably regret leaving Liverpool....