Ty Cobb is considered by many experts as the greatest athlete in the history of baseball. Cobb also became the first millionaire in professional sports. His amazing financial story is revealed in Money Secrets of the Rich and Famous. This check, written two years after his retirement, was a $10 Christmas bonus from Cobb to one of his assistants. Click for more about Ty Cobb Autographs. A Ty Cobb Autograph is as desirable now as when Ty Cobb was inaugurated as the first player in the Baseball Hall of Fame. This reproduction would look great in an album or display.