| | | Saturday, October 5th, 2013 | | Signed Manager Artie Baker to a 5-year contract extension. | | Signed Pitching Coach Ronnie Hampton to a 3-year contract extension. |
| Friday, October 4th, 2013 | | Placed 2B John Everhart on the 14-day disabled list, retroactive to 10/01/2013. |
| Tuesday, October 1st, 2013 | | MR John James returns from his rehab assignment. |
| Monday, September 23rd, 2013 | | Signed Hitting Coach Spencer Bennett to a 5-year contract extension. |
| Sunday, September 22nd, 2013 | | Signed Scouting Director Gray Ulery to a 5-year contract extension. |
| Saturday, September 21st, 2013 | | Signed Team Trainer Bobby Miller to a 5-year contract extension. |
| Tuesday, September 3rd, 2013 | | Signed SS Ed White to a 2-year contract extension worth a total of $8,250,000. |
| Friday, August 30th, 2013 | | Placed SS Ed White on the 14-day disabled list, retroactive to 08/26/2013. | | Purchased the contract of 2B John Everhart from Triple A Springfield. |
| Friday, May 31st, 2013 | | Signed CL Nathan Wilson to a 4-year contract extension worth a total of $30,300,000. |
| Wednesday, May 22nd, 2013 | | Signed 1B José Gonzáles to a 2-year contract extension worth a total of $18,250,000. |
| Tuesday, March 12th, 2013 | | Signed Dave Adams to a minor league contract with a signing bonus of $600,000. |
| Saturday, March 9th, 2013 | | Placed MR Dan Morris on the 60-day disabled list. |
| Saturday, January 19th, 2013 | | Signed Toyoharu Watanabe to a minor league contract with a signing bonus of $160,000. |
| Friday, January 11th, 2013 | | Signed Richard Arnold to a minor league contract with a signing bonus of $500,000. |
| Monday, January 7th, 2013 | | Signed Yodo Miyashita to a minor league contract with a signing bonus of $250,000. |
| Tuesday, December 4th, 2012 | | Signed free agent LF Cristián Orozco to a 2-year contract worth a total of $1,500,000. |
| Wednesday, November 21st, 2012 | | SP Adam Thomas received a 1-year contract through automatic renewal worth a total of $510,000. | | 2B Dave Lane received a 1-year contract through automatic renewal worth a total of $510,000. | | MR Jim Fleming received a 1-year contract through automatic renewal worth a total of $510,000. | | C Matt Sanford received a 1-year contract through automatic renewal worth a total of $510,000. | | C George White received a 1-year contract through automatic renewal worth a total of $510,000. | | SS John White received a 1-year contract through automatic renewal worth a total of $510,000. | | CF Manolo Palmeiro received a 1-year contract through automatic renewal worth a total of $510,000. | | MR Dan Morris received a 1-year contract through automatic renewal worth a total of $510,000. | | MR Jerry Schultz received a 1-year contract through automatic renewal worth a total of $510,000. | | MR John James received a 1-year contract through automatic renewal worth a total of $500,000. | | SP Jorge Rivero received a 1-year contract through automatic renewal worth a total of $500,000. | | 1B Jasper Williams received a 1-year contract through automatic renewal worth a total of $510,000. | | C Carlos Moreno received a 1-year contract through automatic renewal worth a total of $500,000. |
| Sunday, November 18th, 2012 | | 3B Miguel Ramos received a 1-year contract through arbitration worth a total of $750,000. | | MR Jimmy Drake received a 1-year contract through arbitration worth a total of $3,400,000. | | MR R.J. Lukies received a 1-year contract through arbitration worth a total of $4,041,000. | | LF Alex Austin received a 1-year contract through arbitration worth a total of $2,420,000. | | CL Javier Solís received a 1-year contract through arbitration worth a total of $3,660,000. | | 2B John Everhart received a 1-year contract through arbitration worth a total of $750,000. |
| Friday, November 2nd, 2012 | | Signed bench coach Rob Swain to a 2-year, $750,000 per year contract. |
| Thursday, November 1st, 2012 | | Signed pitching coach Ronnie Hampton to a 3-year, $765,000 per year contract. |
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