| 12/31/2018 | ||||||
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|  |
| Saturday, October 27th, 2018 |
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| GM Michael Williams retires. |
| Saturday, June 9th, 2018 |
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| Signed team doctor Pedro Martínez. |
| Tuesday, June 5th, 2018 |
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| Released MR Bill Ward. |
| Released C Emílio Tapia. |
| Released 3B Pedro López. |
| Released SS Tim Davis. |
| Released RF Henry Nelson. |
| Released 1B Nick Jerram. |
| Released CF Lewis Paige. |
| Released C Richie West. |
| Released LF Mel Jones. |
| Released 1B Jeff Brown. |
| Fired general manager Manuel Espinoza. |
| Fired manager Johnny Neal. |
| Scouting Director Paul Morgan leaves the team, his contract was not renewed. |
| Team Trainer Natan Dubé leaves the team, his contract was not renewed. |
| SP Bartolo Villarreal joins the team. |
| RF Juan Rocha joins the team. |
| SP John Leonard joins the team. |
| SP Juan Benítez joins the team. |
| C Mark Parker joins the team. |
| C Tom Johnson joins the team. |
| 3B Troy Jackson joins the team. |
| SS Octávio Marín joins the team. |
| CF José Torres joins the team. |
| 3B Jonathan Williams joins the team. |
| 2B Rafael Rosário joins the team. |
| C Miguel Martínez joins the team. |
| SP Ken Thomas joins the team. |
| SS Will Evans joins the team. |
| SP Scott Doss joins the team. |
| SP Miguel Mejía joins the team. |
