Today marks Janet Yellen’s first day as Fed chair, and Ben Bernanke’s official transition into the private sector—as a distinguished fellow at the Brookings Institution.

Bernanke’s going-away party on Thursday, fittingly, was baseball-themed. (Bernanke, an avid fan, has season tickets to Washington Nationals games near the first-base line). The party was complete with baseball cards featuring Bernanke’s visage:

The back of the card included some extra-nerdy monetary policy jokes, and a comment on Bernanke’s love of Hot Pockets:

Pretty soon he and Bud Selig will be able to commiserate.