| Date | Team | |
|---|---|---|
| 05/30/15 | Grays Harbor Gulls | Batatino, Jose released |
| 05/29/15 | Skagit Valley Lumberjacks | Wright, Jacob signed |
| 05/29/15 | Skagit Valley Lumberjacks | Bridgman, Cody released |
| 05/29/15 | Grays Harbor Gulls | Negron, Gilberto released |
| 05/29/15 | Grays Harbor Gulls | Leyva, Matthias placed on disabled list |
| 05/29/15 | Moses Lake Rattlesnakes | Ruiz, Rafael released |
| 05/28/15 | Moses Lake Rattlesnakes | Moberly, Colin reinstated to active list |
| 05/28/15 | Grays Harbor Gulls | Ruiz, Rafael released |
| 05/27/15 | Moses Lake Rattlesnakes | Wasielewski, Rich placed on disabled list |
| 05/27/15 | Moses Lake Rattlesnakes | Kloppe, Bryan signed |
| 05/26/15 | Skagit Valley Lumberjacks | Weinschenk, Scott traded to outside league Vallejo Admirals |
| 05/23/15 | Moses Lake Rattlesnakes | Roman, Ray signed |
| 05/23/15 | Moses Lake Rattlesnakes | Meier, Jesse placed on disabled list |
| 05/20/15 | Moses Lake Rattlesnakes | Martinez, Pete signed |
| 05/20/15 | Moses Lake Rattlesnakes | Turner, Denarvis released |
| 05/20/15 | Moses Lake Rattlesnakes | Saenz, Louie released |
| 05/20/15 | Moses Lake Rattlesnakes | Koziel, Eric released |
| 05/20/15 | Moses Lake Rattlesnakes | Hernandez, Yancarlos released |
| 05/20/15 | Moses Lake Rattlesnakes | Stangel, Emmitt released |
| 05/19/15 | Oregon City Mud Turtles | Lovato, Damion released |
| 05/19/15 | Oregon City Mud Turtles | Cooper, Chad released |
| 05/19/15 | Oregon City Mud Turtles | Cooper, Allen released |
| 05/19/15 | Oregon City Mud Turtles | Babnick, Blake released |
| 05/19/15 | Oregon City Mud Turtles | Sumstine, Nick released |
| 05/19/15 | Oregon City Mud Turtles | St. Kitts, Matthew placed on disabled list |
| 05/19/15 | Oregon City Mud Turtles | Schenk, Andrew released |
| 05/19/15 | Skagit Valley Lumberjacks | Draper, Brett placed on disabled list (minimum 7 days) |
| 05/18/15 | Skagit Valley Lumberjacks | Goodman, Thomas signed |
| 05/18/15 | Skagit Valley Lumberjacks | Robinson, Joe signed |
| 05/18/15 | Skagit Valley Lumberjacks | Mitchum, Levi signed |
| 05/18/15 | Skagit Valley Lumberjacks | Delzell, Kevin signed |
| 05/18/15 | Skagit Valley Lumberjacks | Traxler, Buddy signed |
| 05/18/15 | Skagit Valley Lumberjacks | Kam, Adam signed |
| 05/18/15 | Skagit Valley Lumberjacks | Nishii, Kenta released |
| 05/18/15 | Skagit Valley Lumberjacks | Willig, Cory released |
| 05/18/15 | Skagit Valley Lumberjacks | Wright, Jacob released |
| 05/18/15 | Skagit Valley Lumberjacks | Smith, Kyle released |
| 05/18/15 | Skagit Valley Lumberjacks | Headrick, Derek released |
| 05/18/15 | Skagit Valley Lumberjacks | Brunson, Jocquese released |
| 05/18/15 | Skagit Valley Lumberjacks | Bridgman, Conner released |
| 05/18/15 | Skagit Valley Lumberjacks | Preimesberger , Andrew released |
| 05/18/15 | Skagit Valley Lumberjacks | Garrett, Zack released |
| 05/18/15 | Skagit Valley Lumberjacks | Parrish, Matt released |
| 05/16/15 | Oregon City Mud Turtles | Santana, Kenllie released |
| 05/16/15 | Oregon City Mud Turtles | Rocha, Cody released |
| 05/14/15 | Skagit Valley Lumberjacks | Valera, Jackson suspended |
| 05/13/15 | Skagit Valley Lumberjacks | Malone, Devin acquired in trade from outside league Washington Wild Things |
| 05/08/15 | Skagit Valley Lumberjacks | Brunty, Kameron placed on disabled list |
| 05/06/15 | Skagit Valley Lumberjacks | Soto, Will acquired in trade from Ellensburg Bulls |
| 05/06/15 | Ellensburg Bulls | Soto, Will traded to Skagit Valley Lumberjacks |
| 05/06/15 | Ellensburg Bulls | Young, Brandon acquired in trade from Skagit Valley Lumberjacks |
| 05/06/15 | Skagit Valley Lumberjacks | Young, Brandon traded to Ellensburg Bulls |
| 05/04/15 | Grays Harbor Gulls | Judge, KC released |
| 05/02/15 | Oregon City Mud Turtles | Cuckovich, Nic signed |
| 04/29/15 | Ellensburg Bulls | Germaine, Joe traded to Grays Harbor Gulls |
| 04/29/15 | Grays Harbor Gulls | Germaine, Joe acquired in trade from Ellensburg Bulls |
| 04/29/15 | Ellensburg Bulls | Crawford, Jeremiah traded to Grays Harbor Gulls |
| 04/29/15 | Grays Harbor Gulls | Crawford, Jeremiah acquired in trade from Ellensburg Bulls |
| 04/29/15 | Ellensburg Bulls | Amato, Thomas traded to Grays Harbor Gulls |
| 04/29/15 | Grays Harbor Gulls | Amato, Thomas acquired in trade from Ellensburg Bulls |
| 04/29/15 | Skagit Valley Lumberjacks | Coffman, Cody acquired in trade from Grays Harbor Gulls |
| 04/29/15 | Grays Harbor Gulls | Coffman, Cody traded to Skagit Valley Lumberjacks |
| 04/29/15 | Ellensburg Bulls | Maldonado, CJ acquired in trade from Skagit Valley Lumberjacks |
| 04/29/15 | Skagit Valley Lumberjacks | Maldonado, CJ traded to Ellensburg Bulls |
| 04/26/15 | Grays Harbor Gulls | Diaz, Michael released |
| 04/23/15 | Skagit Valley Lumberjacks | Weinschenk, Scott signed |
| 04/23/15 | Skagit Valley Lumberjacks | Tarantola, Marc traded to outside league Heartland of American League |
| 04/23/15 | Skagit Valley Lumberjacks | Calderon, Yeicok sold to Heartland of American League |
| 04/23/15 | Oregon City Mud Turtles | Kinard, Jamall Retired |
| 04/23/15 | Oregon City Mud Turtles | Agnew-Wieland, Sam signed |
| 04/22/15 | Skagit Valley Lumberjacks | Valera, Jackson signed |
| 04/21/15 | Skagit Valley Lumberjacks | Tarantola, Marc suspended |
| 04/21/15 | Skagit Valley Lumberjacks | Krie, Justin released |
| 04/21/15 | Skagit Valley Lumberjacks | Patterson, Wes released |
| 04/15/15 | Oregon City Mud Turtles | Nannini, Michael signed |
| 04/13/15 | Skagit Valley Lumberjacks | Blackmon, Tim signed |
| 04/09/15 | Grays Harbor Gulls | Jusino, Luis signed |
| 04/07/15 | Skagit Valley Lumberjacks | Calderon, Yeicok signed |
| 04/07/15 | Skagit Valley Lumberjacks | Perea, Jonathan traded to outside league Niagara Wild (ECBL) |
| 04/07/15 | Skagit Valley Lumberjacks | Rodriguez , Christian traded to outside league Niagara Wild (ECBL) |
| 04/06/15 | Oregon City Mud Turtles | McKay, Kyle traded to Skagit Valley Lumberjacks for future considerations |
| 04/06/15 | Skagit Valley Lumberjacks | McKay, Kyle acquired in trade from Oregon City Mud Turtles for future considerations |
| 04/04/15 | Grays Harbor Gulls | Moseby, Lydell signed |
| 04/04/15 | Skagit Valley Lumberjacks | Willig, Cory signed |
| 04/04/15 | Grays Harbor Gulls | Emerson, Will released |
| 04/02/15 | Skagit Valley Lumberjacks | Llanos, Alex Retired |
| 03/29/15 | Grays Harbor Gulls | Lorenzo, Francisco signed |
| 03/29/15 | Grays Harbor Gulls | Gonzalez, Elio signed |
| 03/29/15 | Grays Harbor Gulls | Matos, Manuel signed |
| 03/29/15 | Grays Harbor Gulls | Simpson, Jimmy signed |
| 03/29/15 | Grays Harbor Gulls | Ruiz, Rafael signed |
| 03/29/15 | Grays Harbor Gulls | Ortegano, Andres signed |
| 03/29/15 | Grays Harbor Gulls | Ramirez, Wester signed |
| 03/29/15 | Grays Harbor Gulls | Batatino, Jose signed |
| 03/29/15 | Grays Harbor Gulls | Johnson, Josh signed |
| 03/29/15 | Grays Harbor Gulls | Torres, Gerardo signed |
| 03/26/15 | Oregon City Mud Turtles | McCauley, Joshuaah signed |
| 03/17/15 | Grays Harbor Gulls | Taylor, Joseph signed |
| 03/14/15 | Oregon City Mud Turtles | Ahsing-Kaahanui, Kainoa signed |
| 03/10/15 | Oregon City Mud Turtles | Fisher, Nick signed |
| 03/07/15 | Oregon City Mud Turtles | Renault, Nick signed |
| 03/06/15 | Grays Harbor Gulls | Yearout, Jon released |
| 03/05/15 | Oregon City Mud Turtles | Moviel, Scott signed |
| 03/03/15 | Oregon City Mud Turtles | Collesano, Benny signed |
| 02/28/15 | Grays Harbor Gulls | Diaz, Michael signed |
| 02/27/15 | Skagit Valley Lumberjacks | Kallunki, Goose signed |
| 02/27/15 | Oregon City Mud Turtles | Duval, Max signed |
| 02/26/15 | Skagit Valley Lumberjacks | Williams, Chris traded to outside league Waterloo Whiskey Jacks (ECBL) |
| 02/26/15 | Skagit Valley Lumberjacks | Manzo, Clint sold to EVANSVILLE OTTERS (FRONTIER) |
| 02/25/15 | Oregon City Mud Turtles | St. Kitts, Matthew signed |
| 02/23/15 | Oregon City Mud Turtles | Santana, Kenllie signed |
| 02/20/15 | Oregon City Mud Turtles | Rocha, Cody signed |
| 02/19/15 | Skagit Valley Lumberjacks | Punales , Ernesto Retired |
| 02/18/15 | Skagit Valley Lumberjacks | Davis , Kyle sold to Washington Wild Things |
| 02/17/15 | Oregon City Mud Turtles | Runyon, Ben signed |
| 02/16/15 | Oregon City Mud Turtles | Bolt, Garrett signed |
| 02/12/15 | Oregon City Mud Turtles | Redinger, Kyle signed |
| 02/11/15 | Grays Harbor Gulls | Yearout, Jon acquired in trade from Oregon City Mud Turtles for future considerations |
| 02/11/15 | Oregon City Mud Turtles | Yearout, Jon traded to Grays Harbor Gulls for future considerations |
| 02/09/15 | Oregon City Mud Turtles | Post, Joe signed |
| 02/09/15 | Grays Harbor Gulls | Ayala, Jomar signed |
| 02/07/15 | Oregon City Mud Turtles | Cardeiro, Manny signed |
| 02/04/15 | Moses Lake Rattlesnakes | Gunderson, Dj signed |
| 02/01/15 | Oregon City Mud Turtles | Davis, Mark signed |
| 01/29/15 | Moses Lake Rattlesnakes | Boyle, Brandon acquired in trade from Skagit Valley Lumberjacks Future Considerations |
| 01/29/15 | Skagit Valley Lumberjacks | Boyle, Brandon traded to Moses Lake Rattlesnakes Future Considerations |
| 01/26/15 | Oregon City Mud Turtles | Kinard, Jamall signed |
| 01/26/15 | Skagit Valley Lumberjacks | Headrick, Derek signed |
| 01/26/15 | Skagit Valley Lumberjacks | Wright, Jacob signed |
| 01/24/15 | Grays Harbor Gulls | Pfeffer, Tyler signed |
| 01/22/15 | Oregon City Mud Turtles | Treccia, Dan released |
| 01/20/15 | Grays Harbor Gulls | LeBron, Victor released |
| 01/19/15 | Oregon City Mud Turtles | Cheatham, Alan signed |
| 01/15/15 | Skagit Valley Lumberjacks | Serritella, Richie signed |
| 01/15/15 | Grays Harbor Gulls | Scott, Joe signed |
| 01/12/15 | Skagit Valley Lumberjacks | Davis , Kyle signed |
| 01/05/15 | Grays Harbor Gulls | Shepard, John-Austin signed |
| 01/01/15 | Skagit Valley Lumberjacks | Parrish, Matt signed |
| 12/30/14 | Skagit Valley Lumberjacks | Brunty, Kameron signed |
| 12/30/14 | Grays Harbor Gulls | Rodriguez, Dayan released |
| 12/27/14 | Grays Harbor Gulls | Negron, Gilberto signed |
| 12/27/14 | Grays Harbor Gulls | Garcia, William signed |
| 12/27/14 | Grays Harbor Gulls | Judge, KC signed |
| 12/27/14 | Grays Harbor Gulls | Peguero, Davidson signed |
| 12/23/14 | Grays Harbor Gulls | Sanchez, Rolando signed |
| 12/23/14 | Skagit Valley Lumberjacks | Tarantola, Marc signed |
| 12/18/14 | Skagit Valley Lumberjacks | Whitley, Karlyle signed |
| 12/17/14 | Oregon City Mud Turtles | Cooper, Shaun signed |
| 12/17/14 | Grays Harbor Gulls | Holmes, Mark signed |
| 12/16/14 | Skagit Valley Lumberjacks | Burch, Jacob signed |
| 12/15/14 | Oregon City Mud Turtles | Truex, Clayton signed |
| 12/13/14 | Skagit Valley Lumberjacks | Llanos, Alex signed |
| 12/11/14 | Skagit Valley Lumberjacks | Boyle, Brandon signed |
| 12/10/14 | Oregon City Mud Turtles | Schenk, Andrew signed |
| 12/09/14 | Grays Harbor Gulls | Lounsbury, Bryan signed |
| 12/09/14 | Skagit Valley Lumberjacks | Punales , Ernesto signed |
| 12/09/14 | Grays Harbor Gulls | Nazzaro, JJ signed |
| 12/08/14 | Skagit Valley Lumberjacks | Preimesberger , Andrew signed |
| 12/08/14 | Skagit Valley Lumberjacks | Patterson, Wes signed |
| 12/08/14 | Grays Harbor Gulls | Hargrove, Jimmy signed |
| 12/05/14 | Moses Lake Rattlesnakes | Voigt, Derek acquired in trade from Skagit Valley Lumberjacks Future Considerations |
| 12/05/14 | Skagit Valley Lumberjacks | Voigt, Derek traded to Moses Lake Rattlesnakes Future Considerations |
| 12/02/14 | Skagit Valley Lumberjacks | Brunson, Jocquese signed |
| 12/02/14 | Skagit Valley Lumberjacks | Sells, Ryan signed |
| 11/28/14 | Moses Lake Rattlesnakes | Saenz, Louie signed |
| 11/28/14 | Moses Lake Rattlesnakes | Eichorn, Anthony signed |
| 11/27/14 | Oregon City Mud Turtles | Smith, Travis signed |
| 11/26/14 | Skagit Valley Lumberjacks | Smith, Kyle signed |
| 11/26/14 | Grays Harbor Gulls | Leyva, Matthias signed |
| 11/24/14 | Skagit Valley Lumberjacks | Underwood, Scott signed |
| 11/24/14 | Skagit Valley Lumberjacks | Underwood, Eric signed |
| 11/24/14 | Skagit Valley Lumberjacks | Young, Brandon signed |
| 11/22/14 | Skagit Valley Lumberjacks | Gurney, Colby signed |
| 11/21/14 | Grays Harbor Gulls | Douglas, Andrew signed |
| 11/21/14 | Skagit Valley Lumberjacks | McDonald, Marshall signed |
| 11/20/14 | Moses Lake Rattlesnakes | Nunez, Carlos signed |
| 11/19/14 | Skagit Valley Lumberjacks | Maldonado, CJ signed |
| 11/18/14 | Skagit Valley Lumberjacks | H, C signed |
| 11/18/14 | Moses Lake Rattlesnakes | Powers, James signed |
| 11/18/14 | Skagit Valley Lumberjacks | Krie, Justin signed |
| 11/18/14 | Grays Harbor Gulls | Coffman, Cody signed |
| 11/18/14 | Skagit Valley Lumberjacks | Draper, Brett signed |
| 11/17/14 | Skagit Valley Lumberjacks | Garrett, Zack signed |
| 11/15/14 | Ellensburg Bulls | Warner, Lane signed |
| 11/14/14 | Moses Lake Rattlesnakes | Alton, Matt signed |
| 11/14/14 | Moses Lake Rattlesnakes | OCallaghan, Tim signed |
| 11/14/14 | Ellensburg Bulls | Arell, Cie signed |
| 11/13/14 | Oregon City Mud Turtles | Kandel, Keith signed |
| 11/12/14 | Skagit Valley Lumberjacks | Williams, Chris signed |
| 11/11/14 | Oregon City Mud Turtles | Treccia, Dan signed |
| 11/10/14 | Oregon City Mud Turtles | Lovato, Damion signed |
| 11/10/14 | Moses Lake Rattlesnakes | Hovis, Jake signed |
| 11/04/14 | Skagit Valley Lumberjacks | Perea, Jonathan signed |
| 11/04/14 | Skagit Valley Lumberjacks | Rodriguez , Christian signed |
| 11/04/14 | Skagit Valley Lumberjacks | Nishii, Kenta signed |
| 11/03/14 | Grays Harbor Gulls | Lange, Michael signed |
| 11/02/14 | Oregon City Mud Turtles | Henk, Thomas signed |
| 10/31/14 | Grays Harbor Gulls | LeBron, Victor signed |
| 10/28/14 | Skagit Valley Lumberjacks | Blatnik, Morgan signed |
| 10/27/14 | Ellensburg Bulls | , signed |
| 10/21/14 | Grays Harbor Gulls | Hunt, Jared signed |
| 10/17/14 | Grays Harbor Gulls | Page, Matt signed |
| 10/16/14 | Grays Harbor Gulls | Flynn, Shane signed |
| 10/16/14 | Grays Harbor Gulls | Fera, Alex signed |
| 10/13/14 | Grays Harbor Gulls | Smith, Matt signed |
| 10/02/14 | Grays Harbor Gulls | Tankersley, James released |