Pittsburgh Pirates ⇄ Washington Nationals

Cash considerations is the whole of what changed hands besides Robert Hassell.

Washington Nationals came out ahead by 6.1 WAR, most of it from Josh Bell.

Christopher Bostick and Taylor Gushue changed clubs, and neither amounted to much for either side.

Pittsburgh Pirates came out ahead by 5.8 WAR, most of it from Felipe Vázquez.

Brian Bocock changed clubs, and none of them amounted to much for either side.

Joel Hanrahan stayed 4 seasons and was the best of it, and it still came out close to even.

J. J. Davis changed clubs, and none of them amounted to much for either side.

Matt Herges and Chris Young changed clubs, and neither amounted to much for either side.

Jarrod Patterson and Matt Skrmetta changed clubs, and neither amounted to much for either side.

Washington Nationals came out ahead by 11.4 WAR, most of it from Moisés Alou.

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

Jason Thompson changed clubs, and none of them amounted to much for either side.

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

Will McEnaney and Timothy Jones changed clubs, and neither amounted to much for either side.