When it comes to souvenirs, some athletes are as memorabilia-hungry as fans. Albert Pujols has great success stockpiling mementos—for his son, or so he says—but even megastars experience slumps: Tiger Woods won’t sign for Roger Federer. “It is more important for me to talk to them and remember the moment,” says Woods. Bloomberg looks at celebrity autograph hounds.
Expect frenzied activity at tonight’s All-Star Game, which will draw dozens of Hall of Famers to Yankee Stadium. One is Whitey Ford, whose collection is projected to fetch $300,000 at auction. He rounded up his keepsakes in the offseason in the days when fraternization was a big no-no: Bill Russell says he "wouldn't have allowed someone from the other team into my locker room." (Read more baseball stories.)