Mariners Roster & Staff
Transactions
| Date | Transaction |
| 07/31/11 | Seattle Mariners Traded LHP Erik Bedard to Boston Red Sox; Tacoma Rainiers Traded RHP Josh Fields to Pawtucket Red Sox; Boston Red Sox Traded CF Trayvon Robinson to Seattle Mariners and Portland Sea Dogs Traded OF Chih-Hsien Chiang to Jackson Generals. |
| 07/31/11 | Seattle Mariners Traded LHP Erik Bedard to Boston Red Sox; Tacoma Rainiers Traded RHP Josh Fields to Pawtucket Red Sox; Boston Red Sox Traded CF Trayvon Robinson to Seattle Mariners and Portland Sea Dogs Traded OF Chih-Hsien Chiang to Jackson Generals. |
| 07/31/11 | Charlie Furbush roster status changed by Seattle Mariners. |
| 07/31/11 | Casper Wells roster status changed by Seattle Mariners. |
| 07/30/11 | Seattle Mariners Traded RHP David Pauley and RHP Doug Fister to Detroit Tigers; Detroit Tigers Traded Player To Be Named Later, RF Casper Wells and LHP Charlie Furbush to Seattle Mariners and Erie SeaWolves Traded 3B Francisco Martinez to Jackson Generals. |
| 07/30/11 | Seattle Mariners recalled RHP Dan Cortes from Tacoma Rainiers. |
| 07/30/11 | Seattle Mariners optioned Aaron Laffey to Tacoma Rainiers. |
| 07/30/11 | Seattle Mariners Traded RHP David Pauley and RHP Doug Fister to Detroit Tigers; Detroit Tigers Traded Player To Be Named Later, RF Casper Wells and LHP Charlie Furbush to Seattle Mariners and Erie SeaWolves Traded 3B Francisco Martinez to Jackson Generals. |
| 07/30/11 | Seattle Mariners Traded RHP David Pauley and RHP Doug Fister to Detroit Tigers; Detroit Tigers Traded Player To Be Named Later, RF Casper Wells and LHP Charlie Furbush to Seattle Mariners and Erie SeaWolves Traded 3B Francisco Martinez to Jackson Generals. |
| 07/30/11 | Seattle Mariners Traded RHP David Pauley and RHP Doug Fister to Detroit Tigers; Detroit Tigers Traded Player To Be Named Later, RF Casper Wells and LHP Charlie Furbush to Seattle Mariners and Erie SeaWolves Traded 3B Francisco Martinez to Jackson Generals. |
| 07/30/11 | Seattle Mariners Traded RHP David Pauley and RHP Doug Fister to Detroit Tigers; Detroit Tigers Traded Player To Be Named Later, RF Casper Wells and LHP Charlie Furbush to Seattle Mariners and Erie SeaWolves Traded 3B Francisco Martinez to Jackson Generals. |
| 07/29/11 | Erik Bedard roster status changed by Seattle Mariners. |
| 07/29/11 | Seattle Mariners designated DH Jack Cust for assignment. |
| 07/27/11 | Seattle Mariners signed free agent LF Wily Mo Pena to a minor league contract. |
| 07/26/11 | Seattle Mariners signed free agent 1B Alberto Velasquez to a minor league contract. |
| 07/22/11 | Seattle Mariners signed C Jack Marder. |
| 07/21/11 | Seattle Mariners recalled Josh Lueke from Tacoma Rainiers. |
| 07/21/11 | Seattle Mariners optioned Kyle Seager to Tacoma Rainiers. |
| 07/20/11 | Seattle Mariners signed free agent RHP Hector Hidalgo to a minor league contract. |
| 07/20/11 | C Jesus Sucre assigned to Jackson Generals from Seattle Mariners. |
| 07/19/11 | Seattle Mariners signed free agent C Jesus Sucre to a minor league contract. |
| 07/19/11 | Seattle Mariners signed free agent RHP Jeffeson Medina to a minor league contract. |
| 07/18/11 | Seattle Mariners optioned LF Carlos Peguero to Tacoma Rainiers. |
| 07/18/11 | Seattle Mariners recalled Mike Carp from Tacoma Rainiers. |
| 07/14/11 | Seattle Mariners signed free agent C Georvic Perez to a minor league contract. |
| 07/12/11 | John Taylor assigned to Pulaski Mariners from Seattle Mariners. |
| 07/12/11 | 3B Steven Proscia assigned to High Desert Mavericks from Seattle Mariners. |
| 07/11/11 | RHP Steve Cochrane assigned to AZL Mariners from Seattle Mariners. |
| 07/11/11 | Seattle Mariners signed RHP Steve Cochrane. |
| 07/11/11 | Seattle Mariners sent C Jose Yepez outright to Tacoma Rainiers. |
| 07/11/11 | Seattle Mariners signed RHP John Taylor. |
| 07/11/11 | Seattle Mariners signed 3B Steven Proscia. |
| 07/08/11 | John Hicks assigned to Clinton LumberKings from Seattle Mariners. |
| 07/08/11 | Seattle Mariners signed free agent OF Hilario Villa to a minor league contract. |
| 07/07/11 | Seattle Mariners designated Jose Yepez for assignment. |
| 07/07/11 | Seattle Mariners selected the contract of Kyle Seager from Tacoma Rainiers. |
| 07/06/11 | Seattle Mariners signed C John Hicks. |
| 07/05/11 | Seattle Mariners sent Chaz Roe outright to Tacoma Rainiers. |
| 07/05/11 | James Zamarripa assigned to AZL Mariners from Seattle Mariners. |
| 07/05/11 | Seattle Mariners signed OF James Zamarripa. |
| 07/05/11 | Seattle Mariners signed RHP Gabe Saquilon. |
| 07/05/11 | Seattle Mariners signed RHP Richard White. |
| 07/05/11 | Nick Valenza assigned to AZL Mariners from Seattle Mariners. |
| 07/05/11 | Seattle Mariners signed LHP Nick Valenza. |
| 07/05/11 | Gabe Saquilon assigned to AZL Mariners from Seattle Mariners. |
| 07/05/11 | Richard White assigned to AZL Mariners from Seattle Mariners. |
| 07/03/11 | C Travis Higgs assigned to AZL Mariners from Seattle Mariners. |
| 07/03/11 | Seattle Mariners transferred C Chris Gimenez from the 15-day disabled list to the 60-day disabled list. |
| 07/03/11 | Seattle Mariners selected the contract of Blake Beavan from Tacoma Rainiers. |
| 07/03/11 | Seattle Mariners optioned Mike Carp to Tacoma Rainiers. |
| 07/02/11 | Blake Beavan assigned to Tacoma Rainiers from Seattle Mariners. |
| 07/02/11 | Seattle Mariners signed C Travis Higgs. |
| 07/01/11 | Seattle Mariners sent Edward Paredes outright to Jackson Generals. |