From his first year in the majors, George Herman "Babe" Ruth knew he could profit from celebrity. Babe Ruth Cigars in 1915 marked his first attempt to cash in. Traded to the Yankees in 1920, he soon signed with Christy Walsh, baseball's first publicity agent. Walsh realized that stories of great deeds in sports were a commodity, and in 1921 sold Ruth's ghostwritten byline to a newspaper syndicate for $15,000 ($187,000 today). Ruth hit home...