Washington Nationals ⇄ Arizona Diamondbacks

Andrés Chaparro and Dylan Floro changed clubs, and neither amounted to much for either side.

Jason Marquis and Zach Walters changed clubs, and neither amounted to much for either side.

Jon Rauch and Emilio Bonifácio changed clubs, and neither amounted to much for either side.

Emiliano Fruto and Chris Carter changed clubs, and neither amounted to much for either side.

Close to a wash — the margin never reached a full win.

Washington Nationals came out ahead by 4.4 WAR, most of it from John Patterson.

Ron Calloway changed clubs, and none of them amounted to much for either side.