| 12/31/2018 | ||||||
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| Saturday, July 1st, 2017 |
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| SP Will Jackson joins the team. |
| SP Pedro Castro joins the team. |
| SP Fred Scott joins the team. |
| Thursday, June 8th, 2017 |
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| Signed pitching coach Héctor Cruz. |
| Monday, June 5th, 2017 |
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| Released MR Bill Waldon. |
| Released RF Eric Butler. |
| Released MR John Hall. |
| Released SP Kurt Pearson. |
| Released SP Arthur Sullivan. |
| Released C Mike Williams. |
| Released RF Felipe Rivas. |
| Released LF Cristo Núñes. |
| Released SP Matt McGinnity. |
| PC Gabriel Crespo retires. |
| Signed General Manager Chris Green to a 1-year contract extension. |
| Signed Manager Mauro Campos to a 3-year contract extension. |
| Bench Coach Mike Gross leaves the team, his contract was not renewed. |
| Signed Hitting Coach Ramón Medina to a 2-year contract extension. |
| CF Jerry Johnston joins the team. |
| RF Miguel Sánchez joins the team. |
| SP David Dean joins the team. |
| SP Ken McKinney joins the team. |
| SP Jaime Liriano joins the team. |
| SP Oliver Ríos joins the team. |
| SS Dan Morrison joins the team. |
| RF Pat Zimmerman joins the team. |
| SP Salvador Pérez joins the team. |
| SP Miguel Contreras joins the team. |
| SP Jon Sexton joins the team. |
