By Jacob Leeks The mega-bucks of the Saudi Pro League were felt for the first time during last summer’s transfer window. But it has been a very mixed experience for those who decided to follow the money and move out to the Middle East. Jordan Henderson has become the first to cut and run, with the midfielder ripping up his contract at Al-Ettifaq. It was a miserable six months for the former Liverpool captain after opting to link up with Steven Gerrard. But Henderson is not the only one who endured a difficult time in the Middle East. A plethora of big names decided to take the Saudi cash and m…