In fact, the first trade between the Chicago Cubs and White Sox was in 1960. Since then, Ron Santo, Steve Stone, Ty Waller, Sammy Sosa, Jon Garland, and Neal Cotts have been moved from one side of the city to the other.
Final trade between the two was over 10-years ago. That involved Cotts for David Aardsma and another pitcher. Since then, it has been quiet as they carried on through their seasons and head-to-head battles during the Crosstown Classic.