| | | Sunday, December 29th, 2013 | | Signed Reynaldo Soto to a minor league contract with a signing bonus of $280,000. |
| Friday, December 27th, 2013 | | Signed Greg Miller to a minor league contract with a signing bonus of $140,000. |
| Thursday, December 26th, 2013 | | Signed Jeff Everhart to a minor league contract with a signing bonus of $1,000,000. |
| Monday, December 23rd, 2013 | | Signed Vadim Pejemsky to a minor league contract with a signing bonus of $130,000. |
| Thursday, December 19th, 2013 | | Signed Franck Devos to a minor league contract with a signing bonus of $140,000. |
| Tuesday, December 17th, 2013 | | Drafted CF Jeff Everhart in the 2013 first-year player draft (Round 1, Pick 19, 19th overall pick). | | Drafted CL Reynaldo Soto in the 2013 first-year player draft (Round 2, Pick 19, 44th overall pick). | | Drafted SP Greg Miller in the 2013 first-year player draft (Round 3, Pick 19, 68th overall pick). | | Drafted SP Vadim Pejemsky in the 2013 first-year player draft (Round 4, Pick 19, 92nd overall pick). | | Drafted RF Franck Devos in the 2013 first-year player draft (Round 5, Pick 19, 116th overall pick). | | Drafted LF Kichisaburo Suzuki in the 2013 first-year player draft (Round 6, Pick 19, 140th overall pick). | | Drafted RF José López in the 2013 first-year player draft (Round 7, Pick 19, 164th overall pick). | | Drafted CF Norinaga Kondo in the 2013 first-year player draft (Round 8, Pick 19, 188th overall pick). | | Drafted 1B Yasunobu Kanno in the 2013 first-year player draft (Round 9, Pick 19, 212nd overall pick). | | Drafted SP Wilber Roberts in the 2013 first-year player draft (Round 10, Pick 19, 236th overall pick). | | Drafted 3B Ernie Dixon in the 2013 first-year player draft (Round 11, Pick 19, 260th overall pick). | | Drafted CF Dale Major in the 2013 first-year player draft (Round 12, Pick 19, 284th overall pick). |
| Monday, December 9th, 2013 | | Signed free agent SP Dave Krause to a 3-year contract worth a total of $43,650,000. |
| Sunday, December 8th, 2013 | | Signed free agent SP Ricardo Medine to a 1-year contract worth a total of $800,000. | | Signed free agent SP Tom Brace to a minor league contract. |
| Thursday, November 21st, 2013 | | SP Aurelio Ramírez received a 1-year contract through automatic renewal worth a total of $510,000. | | C Francisco Solano received a 1-year contract through automatic renewal worth a total of $510,000. | | SP Ángel Galindo received a 1-year contract through automatic renewal worth a total of $500,000. | | MR Ramiro Ortega received a 1-year contract through automatic renewal worth a total of $510,000. | | MR António Aguirre received a 1-year contract through automatic renewal worth a total of $510,000. | | C Craig Wall received a 1-year contract through automatic renewal worth a total of $510,000. | | MR António Rodríguez received a 1-year contract through automatic renewal worth a total of $500,000. | | SP Tom Bray received a 1-year contract through automatic renewal worth a total of $500,000. | | MR Doug Smith received a 1-year contract through automatic renewal worth a total of $510,000. | | SP David Cole received a 1-year contract through automatic renewal worth a total of $510,000. | | SP Dimitrie Serban becomes a free-agent. | | CF Justin Wallace received a 1-year contract through automatic renewal worth a total of $510,000. | | CL Carl Jacobsen received a 1-year contract through automatic renewal worth a total of $500,000. | | SP Peter Barrett received a 1-year contract through automatic renewal worth a total of $500,000. | | 1B Doug King received a 1-year contract through automatic renewal worth a total of $500,000. | | SP Todd Blanchard received a 1-year contract through automatic renewal worth a total of $750,000. | | Designated LF Leonard Williams for assignment. |
| Monday, November 18th, 2013 | | CL Ánibal Machado received a 1-year contract through arbitration worth a total of $6,250,000. | | MR Jarrod Randolph received a 1-year contract through arbitration worth a total of $1,300,000. | | SS Martin Bryan received a 1-year contract through arbitration worth a total of $750,000. | | SP Zach Tate received a 1-year contract through arbitration worth a total of $787,500. | | RF Cedric Young received a 1-year contract through arbitration worth a total of $750,000. | | SP Alejandro Cabrera becomes a free-agent. | | 3B Chuck Fox becomes a free-agent. |
| Friday, November 1st, 2013 | | Signed LF Willis Parks to a 3-year contract extension worth a total of $11,000,000. |
| Thursday, October 31st, 2013 | | Signed hitting coach Dale Ware to a 5-year, $200,000 per year contract. |
| Monday, October 28th, 2013 | | Hitting Coach Steve Fox leaves the team, his contract was not renewed. | | Voided the team option year(s) of SP Alejandro Cabrera. |
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