| Sunday, December 16th, 2018 |
|---|
| Signed free agent SP David Evans to a 2-year contract worth a total of $4,600,000. |
| Wednesday, December 5th, 2018 |
|---|
| Signed scouting director Kazuhiko Ono to a 3-year, $140,000 per year contract. | | Signed bench coach Tomás Arechavala to a 1-year, $140,000 per year contract. |
| Monday, December 3rd, 2018 |
|---|
| Signed pitching coach Kyle Green to a 3-year, $200,000 per year contract. |
| Tuesday, November 20th, 2018 |
|---|
| RF Augusto Peña becomes a free-agent. | | LF Nick Phillips becomes a free-agent. | | 3B Gerardo Escobedo received a 1-year contract through automatic renewal worth a total of $400,000. | | C Marcos Valdés becomes a free-agent. | | 1B John Crowe becomes a free-agent. | | CL Ramón Vélez received a 1-year contract through automatic renewal worth a total of $400,000. | | RF John Prowse becomes a free-agent. | | SP Oscar Wheeler received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Josh Baker received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Ben Lewis received a 1-year contract through arbitration worth a total of $3,885,000. |
| Saturday, November 17th, 2018 |
|---|
| C Bill McGrath received a 1-year contract through arbitration worth a total of $650,000. | | SP Octávio Garza received a 1-year contract through arbitration worth a total of $1,527,500. | | 2B Carlos Valdés received a 1-year contract through arbitration worth a total of $650,000. | | MR Alfonso Gutiérrez received a 1-year contract through arbitration worth a total of $950,000. |
| Saturday, October 27th, 2018 |
|---|
| 2B Takuya Oyama has executed his last optional contract year. | | SP Ben Lane voids his last optional contract year. | | SC Rafael Martínez retires. | | Bench Coach Tim Taylor leaves the team, his contract was not renewed. | | Pitching Coach Dillon Householder leaves the team, his contract was not renewed. |
|
