Seattle Mariners ⇄ Washington Nationals

José Ferrer and Harry Ford changed clubs, and neither amounted to much for either side.

Hunter Strickland, Roenis Elías and Aaron Fletcher changed clubs among others, and none of them amounted to much for either side.

Cash considerations is the whole of what changed hands besides Austin Adams.

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

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

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

Bobby Ayala changed clubs, and none of them amounted to much for either side.

Robert Pérez and Raúl Chávez changed clubs, and neither amounted to much for either side.

Seattle Mariners came out ahead by 3.7 WAR, most of it from Jeff Fassero.

Frank Bolick, Dave Wainhouse and Kevin Foster changed clubs, and none of them amounted to much for either side.

Pat Pacillo and Jerry Goff changed clubs, and neither amounted to much for either side.

Seattle Mariners got 15.5 WAR out of Randy Johnson over 5 seasons. Washington Nationals got 3.8 from the whole return.