Trades are routine in baseball, but a trade that occurred leading up to the 1973 Major League season was unusual for a couple of reasons: The trade only involved one team, and the focus was two players' wives.
New York Yankees pitchers Fritz Peterson and Mike Kekich were intrigued by the idea of swapping wives. The running joke between friends turned into reality when Peterson's wife and children moved in with Kekich and vice versa. It was intended to be a long-term deal -- and for Peterson and Susanne Kekich, it was. They're still married. The fit for Mike Kekich and Marilyn Peterson was more predictable. Their less-than-storybook tale quickly ended quickly with a split [source: Westmoreland].