Discover the most expensive baseball cards, their incredible values, and the fascinating stories behind the featured sporting icons.

Discover some of the most expensive baseball cards ... and the player's legacy. The world of baseball card collecting is rich with history, nostalgia, and impressive investment value.

Los Angeles Dodgers star Freddie Freeman's World Series walk-off grand slam baseball sold for $1.56 million at auction, making it the third most expensive baseball ever sold, organisers said on ...