Every trade between the Athletics and the Kansas City Royals
The Athletics and the Kansas City Royals have made 22 deals with each other since 1975, 6 of them sales. The most recent, on Feb 12, 2026: Athletics traded RHP Mitch Spence to Kansas City Royals for RHP A.J. Causey. The first on file, on Sep 15, 1975: The Kansas City Royals traded Mark Williams to the Oakland Athletics for Richard Ingalls.
AthleticsKansas City RoyalsPlayers who played for both →
Athletics
Kansas City Royals22 deals, newest first
| Date | Deal |
|---|---|
| Feb 12, 2026 | Athletics traded RHP Mitch Spence to Kansas City Royals for RHP A.J. Causey. |
| Jul 30, 2024 | Oakland Athletics traded RHP Lucas Erceg to Kansas City Royals for RHP Will Klein, RHP Mason Barnett and OF Jared Dickey. |
| Jul 27, 2019 | The Kansas City Royals traded Jake Diekman to the Oakland Athletics for Dairon Blanco and Ismael Aquino. |
| Jul 14, 2019 | The Kansas City Royals traded Homer Bailey to the Oakland Athletics for Kevin Merrell. |
| Jan 29, 2018 | The Kansas City Royals traded Ryan Buchter and Brandon Moss to the Oakland Athletics for Jesse Hahn and Heath Fillmyer. |
| Jul 30, 2016 | The Kansas City Royals traded Brett Eibner to the Oakland Athletics for Billy Burns. |
| Jul 28, 2015 | The Kansas City Royals traded Aaron Brooks and Sean Manaea to the Oakland Athletics for Ben Zobrist. |
| Jun 6, 2014 | The Oakland Athletics purchased Justin Marks from the Kansas City Royals. |
| Sep 27, 2011 | The Kansas City Royals traded Kila Ka'aihue to the Oakland Athletics for Ethan Hollingsworth. |
| Nov 10, 2010 | The Kansas City Royals traded David DeJesus to the Oakland Athletics for Vin Mazzaro and Justin Marks. |
| Nov 28, 2006 | The Oakland Athletics purchased Donnie Murphy from the Kansas City Royals. |
| Jun 24, 2004 | In a 3-team trade, the Houston Astros sent John Buck to the Kansas City Royals; the Oakland Athletics sent Mike Wood and Mark Teahen to the Kansas City Royals; the Kansas City Royals sent Carlos Beltrán to the Houston Astros; the Houston Astros sent Octavio Dotel to the Oakland Athletics.(3 clubs) |
| May 22, 2001 | The Kansas City Royals purchased Sal Fasano from the Oakland Athletics. |
| Jan 8, 2001 | In a 3-team trade, the Tampa Bay Devil Rays sent Roberto Hernández to the Kansas City Royals; the Tampa Bay Devil Rays sent Cory Lidle to the Oakland Athletics; the Oakland Athletics sent Ben Grieve to the Tampa Bay Devil Rays; the Kansas City Royals sent Johnny Damon and Mark Ellis to the Oakland Athletics; the Oakland Athletics sent Ángel Berroa and A. J. Hinch to the Kansas City Royals.(3 clubs) |
| Mar 30, 2000 | The Oakland Athletics purchased Sal Fasano from the Kansas City Royals. |
| Mar 24, 2000 | The Kansas City Royals purchased Dave McCarty from the Oakland Athletics. |
| Feb 18, 2000 | The Kansas City Royals traded Jeremy Giambi to the Oakland Athletics for Brett Laxton. |
| Jul 31, 1999 | The Kansas City Royals traded Kevin Appier to the Oakland Athletics for Jeff D'Amico, Brad Rigby and Blake Stein. |
| Mar 30, 1999 | The Kansas City Royals traded Scott Chiasson to the Oakland Athletics for Jay Witasick. |
| Apr 8, 1998 | The Kansas City Royals traded Mike Macfarlane to the Oakland Athletics for Shane Mack and Greg Hansell. |
| Mar 17, 1998 | The Kansas City Royals purchased Ernie Young from the Oakland Athletics. |
| Sep 15, 1975 | The Kansas City Royals traded Mark Williams to the Oakland Athletics for Richard Ingalls. |
Trades and sales between the two franchises under every name they have had. To May 2022 from Retrosheet, since then from MLB's transaction feed. The information used here was obtained free of charge from and is copyrighted by Retrosheet. Interested parties may contact Retrosheet at www.retrosheet.org.