As Ajay Stone strolled around historic Rickwood Field and gazed at tributes displayed in honor of Willie Mays and other Negro Leaguers, he clutched a cherished memory under his arm. It was a picture from 2004 of Mays holding Stone's then-10-month-old daughter Haley, who was wearing San Francisco Giants gear. In Mays' hand was a chunk of a chocolate chip cookie, which he was handing over for Haley to eat.