1962 Gene Woodling becomes the first major leaguer to play for both the Yankees and the Mets. In his National League debut, the 38-year old outfielder goes 2-for-4, scoring two runs for the new expansion team in an 8-7 loss to the Cubs at the Polo Grounds.  (http://www.nationalpastime.com/)

I will follow up this, as Gene Woodling has a special meaning to me…..