 |
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| Wednesday, January 29th, 2053 |
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| Chicago White Sox: Placed RP Mike Courville on the active roster. |
| Los Angeles Dodgers: Placed SP Cesar Barajas on the active roster. |
| Tuesday, January 28th, 2053 |
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| Pittsburgh Pirates: Signed RP Mike Rostkowski to a 3-year contract extension worth a total of $19,600,000. |
| Sunday, January 26th, 2053 |
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| Chicago Cubs: Placed CF Manny Aguero on the active roster. |
| Toronto Blue Jays: Placed 1B Sam Green on the active roster. |
| Saturday, January 25th, 2053 |
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| Atlanta Braves: Signed free agent SP Ruben Cruz to a 1-year contract worth a total of $3,600,000. |
| Atlanta Braves: Signed free agent RP Jose Gonzalez to a 1-year contract worth a total of $5,500,000. |
| Pittsburgh Pirates: Signed free agent C Tim Norvell to a 3-year contract worth a total of $6,600,000. |
| Seattle Mariners: Signed free agent SP Lonnie Cissell to a 1-year contract worth a total of $7,000,000. |
| Baltimore Orioles: Signed free agent SP Art Manzella to a 1-year contract worth a total of $2,800,000. |
| Atlanta Braves: Signed free agent LF Bobby Alejandro to a 1-year contract worth a total of $3,800,000. |
| Thursday, January 23rd, 2053 |
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| Miami Marlins: Signed hitting coach John Zubek to a 3-year, $702,000 per year contract. |
| Wednesday, January 22nd, 2053 |
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| Detroit Tigers: Signed free agent RP Liu-chun Cui to a 1-year contract worth a total of $8,750,000. |
| San Francisco Giants: Placed SP Duri Pongwa on the active roster. |
| San Francisco Giants: Placed RP J.P. Harrison on the active roster. |
| Tuesday, January 21st, 2053 |
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| Colorado Rockies: Signed free agent SP Edgar Reyes to a 1-year contract worth a total of $20,000,000. |
| Baltimore Orioles: Signed free agent SP Myles Hudson to a 1-year contract worth a total of $6,650,000. |
| Pittsburgh Pirates: Signed CL Brandon Moore to a 1-year contract extension worth a total of $1,080,000. |
| Kansas City Royals: Signed free agent RP William Salinas to a 4-year contract worth a total of $42,000,000. |
| Sunday, January 19th, 2053 |
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| Los Angeles Angels: Signed free agent CF Emmanuel Najera to a 1-year contract worth a total of $11,500,000. |
| Boston Red Sox: Signed free agent 2B Nick Marvel to a 2-year contract worth a total of $18,000,000. |
| Baltimore Orioles: Signed free agent SP Kyle Cote to a 3-year contract worth a total of $48,600,000. |
| Baltimore Orioles: Signed free agent RP Alex de Jesus to a 1-year contract worth a total of $4,400,000. |
| St. Louis Cardinals: Signed free agent LF Tomas Banuelos to a 1-year contract worth a total of $3,000,000. |
| Saturday, January 18th, 2053 |
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| Cleveland Indians: Signed free agent SP Jon Dickey to a 1-year contract worth a total of $1,900,000. |
| St. Louis Cardinals: Signed free agent C Jose Alfaro to a 3-year contract worth a total of $52,010,000. |
| Kansas City Royals: Signed free agent SS Marcus Whiffin to a 1-year contract worth a total of $12,000,000. |
| Oakland Athletics: Signed free agent CF Rich Ruiz to a 3-year contract worth a total of $21,500,000. |
| St. Louis Cardinals: Signed free agent LF Andrew Keifer to a 1-year contract worth a total of $6,000,000. |
| San Francisco Giants: Signed free agent SS Pedro Arriaza to a 3-year contract worth a total of $37,500,000. |
| The Chicago Cubs traded 23-year-old minor league first baseman Jeff Rubottom and 20-year-old minor league center fielder William Flores to the Seattle Mariners, getting 19-year-old minor league left fielder Matt Johnson and 23-year-old reliever Jason Caglia in return. |
| The Pittsburgh Pirates traded 32-year-old reliever Omar Garcia to the Seattle Mariners, getting 23-year-old minor league first baseman Jeff Rubottom and a 3rd Round Pick (LAD) in return. |
| Friday, January 17th, 2053 |
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| Cincinnati Reds: RP Mike Rios was designated for assignment and placed on waivers. |
| Cincinnati Reds: Placed RP Jason Gibbs on the active roster. |
| Colorado Rockies: Placed RP Jonathan Buswell on the active roster. |
| Oakland Athletics: Placed RP Bobby Kovach on the active roster. |
| Oakland Athletics: Placed C Javier Parra on the active roster. |
| Oakland Athletics: Placed 2B Brad Norrell on the active roster. |
| Toronto Blue Jays: Signed Team Trainer Justin Johnson to a 4-year contract extension. |
| Sunday, January 12th, 2053 |
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| Oakland Athletics: Placed 2B Luis Martinez on the active roster. |
| Tuesday, January 7th, 2053 |
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| Los Angeles Dodgers: Fired general manager Christin Stewart. |
| Los Angeles Dodgers: Signed general manager A.J. Ramos to a 5-year, $1,066,000 per year contract. |
| Monday, January 6th, 2053 |
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| Chicago White Sox: Signed free agent RP Mike Courville to a 3-year contract worth a total of $7,000,000. |
| Los Angeles Dodgers: Signed free agent SP Cesar Barajas to a 3-year contract worth a total of $28,530,000. |
| Saturday, January 4th, 2053 |
|---|
| Cincinnati Reds: Signed free agent RP Jason Gibbs to a 4-year contract worth a total of $60,640,000. |
| Oakland Athletics: Signed free agent C Javier Parra to a 1-year contract worth a total of $2,100,000. |
| Colorado Rockies: Signed free agent RP Jonathan Buswell to a 2-year contract worth a total of $8,000,000. |
| Friday, January 3rd, 2053 |
|---|
| Boston Red Sox: Placed C Joe Shepard on the active roster. |
| Colorado Rockies: Placed RP Bobby Reyes on the active roster. |
| Colorado Rockies: Activated RP Bobby Reyes from the 60-day injured list. |
| Pittsburgh Pirates: Placed SP Karl Pettis on the active roster. |
| Pittsburgh Pirates: Placed 1B Luis Mangual on the active roster. |
| Chicago Cubs: CF Manny Aguero was designated for assignment and placed on waivers. |
| Chicago Cubs: Placed RP Ben Wozniczka on the active roster. |
| Chicago Cubs: Activated RP Ben Wozniczka from the 60-day injured list. |
| Chicago Cubs: Placed RP Ben Wozniczka on the active roster. |
| Chicago Cubs: Placed RP Ben Wozniczka on the active roster. |
| New York Yankees: Placed SP Salvador Calderon on the active roster. |
| Toronto Blue Jays: SS Ricky Rosario was designated for assignment and placed on waivers. |
| Toronto Blue Jays: 1B Sam Green was designated for assignment and placed on waivers. |
| Toronto Blue Jays: Placed CF Chris Dengate on the active roster. |
| Toronto Blue Jays: Placed CF Luis Rubio on the active roster. |
