Detroit Tigers ⇄ Seattle Mariners

Manny Piña changed clubs, and none of them amounted to much for either side.

Detroit Tigers came out ahead by 6.3 WAR, most of it from Doug Fister.

Mauricio Robles, Luke French and Jarrod Washburn changed clubs, and none of them amounted to much for either side.

Jeff Frazier and Yorman Bazardo changed clubs, and neither amounted to much for either side.

Detroit Tigers came out ahead by 5.2 WAR, most of it from Carlos Guillén.

Nobody in this deal stayed long. It was settled inside a season.

Dean Crow, Scott Sanders and Felipe Lira changed clubs among others, and none of them amounted to much for either side.

Todd Haney changed clubs, and none of them amounted to much for either side.

Tracy Jones and Darnell Coles changed clubs, and neither amounted to much for either side.

Stan Clarke and Bruce Fields changed clubs, and neither amounted to much for either side.

Karl Best and Bryan Kelly changed clubs, and neither amounted to much for either side.

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