The number of people who can write their name and have someone hand over cash in exchange is small indeed. Those fortunate enough to be in that situation can help themselves--and they can also help others.
Sayers, the former Bears' running back and Hall of Famer, has his own program aimed at helping kids.
Jenkins and Smith, both former Cubs, were signing to raise money for the Juvenile Diabetes Research Foundation, a cause near to the heart of Fergie's former teammate, Ron Santo, who died just a few weeks ago.
All three put up big numbers and endeared themselves to Chicago sports fans during their careers.