| | | | | | | | | | |  | Major Transactions |
| | | | Friday, October 11th, 2019 | | Signed free agent SP G. Gaddy to a 2-year contract worth a total of $1,300,000. | | LF M. Birdsell was claimed off waivers from Shackamaxon. |
| Thursday, October 10th, 2019 | | Signed free agent CF A. García to a 1-year contract worth a total of $5,300,000. |
| Sunday, October 6th, 2019 | | Signed free agent 3B G. Sequeiros to a 2-year contract worth a total of $1,820,000. |
| Friday, October 4th, 2019 | | Signed SP K. Byers to a 2-year contract extension worth a total of $2,180,000. |
| Tuesday, October 1st, 2019 | | Signed free agent MR J. Fleitas to a 2-year contract worth a total of $2,160,000. |
| Saturday, August 17th, 2019 | | Signed free agent SP K. Byers to a 1-year contract worth a total of $830,000. | | Signed free agent LF J. Fernández to a 1-year contract worth a total of $7,315,000. |
| Friday, August 16th, 2019 | | Placed SP K. Jackson on the 60-day disabled list. | | Purchased the contract of CL E. Abend from Triple A Pukalani. |
| Saturday, July 6th, 2019 | | Signed SP F. Pineda to a 2-year contract extension worth a total of $14,020,000. |
| Tuesday, July 2nd, 2019 | | Signed free agent RF J. Jacobs to a 1-year contract worth a total of $510,000. |
| Monday, July 1st, 2019 | | Placed CF R. Kondo on the 60-day disabled list. | | Traded 20-year old minor league reliever N. Inman and a 2nd round draft pick to the Seattle Monarchs, getting 22-year old minor league right fielder P. Martínez in return. | | Placed RF P. Martínez on the active roster. |
| Tuesday, April 16th, 2019 | | Placed 3B B. Parker on the 15-day disabled list. | | Purchased the contract of SS H. Albacete from Triple A Pukalani. | | C A. Coats was designated for assignment and placed on waivers. | | Purchased the contract of C B. Maxon from Triple A Pukalani. |
| Friday, March 1st, 2019 | | Traded 24-year old minor league catcher K. Huang and $3,000,000 in cash to the Shackamaxon Lenape, getting 20-year old minor league left fielder R. Ramírez in return. |
| Saturday, February 2nd, 2019 | | Signed free agent C K. Huang to a 1-year contract worth a total of $3,310,000. |
| Sunday, January 13th, 2019 | | Signed free agent SP J. Shuttleworth to a 1-year contract worth a total of $5,925,000. |
| Saturday, December 15th, 2018 | | Signed RF R. Amos to a 3-year contract extension worth a total of $3,060,000. |
| Thursday, November 29th, 2018 | | Placed MR V. Valles on the active roster. |
| Wednesday, November 28th, 2018 | | Signed free agent MR V. Valles to a 3-year contract worth a total of $7,740,000. |
| Saturday, November 3rd, 2018 | | MR C. Árias received a 1-year contract through automatic renewal worth a total of $300,000. | | MR A. Cabaña becomes a free-agent. | | CF R. Kondo received a 1-year contract through automatic renewal worth a total of $300,000. | | SP J. Okane becomes a free-agent. | | CF A. Suarez becomes a free-agent. | | MR R. Mumford received a 1-year contract through automatic renewal worth a total of $300,000. |
| Wednesday, October 31st, 2018 | | C D. Stiger received a 1-year contract through arbitration worth a total of $352,500. | | LF R. Estill received a 1-year contract through arbitration worth a total of $1,200,000. | | SP F. Pineda received a 1-year contract through arbitration worth a total of $2,793,000. | | SS G. Sequeiros received a 1-year contract through arbitration worth a total of $4,579,200. | | 2B J. Lefebvre received a 1-year contract through arbitration worth a total of $6,495,400. | | SP K. Kepner received a 1-year contract through arbitration worth a total of $2,028,600. | | RF R. Legette received a 1-year contract through arbitration worth a total of $512,000. |
| Tuesday, October 30th, 2018 | | Signed C T. Geter to a 3-year contract extension worth a total of $45,150,000. |
| Monday, October 22nd, 2018 | | Signed LF A. Fernandez to a 1-year contract extension worth a total of $750,000. |
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