Agree with Fozzie on this one they have a certain life span yes to the age 33-34 but if I had the money they had I would happily retire to my golf course. Because of their fame they could easy get work elsewhere Skysports, Radio shows, Celebrity appearances etc.
If they have half a brain they would invest the money wisely look at Robbie Fowler one of the richest footballers down to properties he has purchased over the years.
As Rowlo said its not just footballs who are gready we all are its just that they are in the spot light.