| | | Monday, May 27th, 2030 | | CF Félix Gagnon was designated for assignment and placed on waivers. |
| Monday, April 30th, 2029 | | Placed LF Carlos Val on the 14-day disabled list, retroactive to 04/17/2029. | | Purchased the contract of LF Al MacRob from Triple A Scranton. |
| Tuesday, February 20th, 2029 | | Placed 2B Jimmy Visser on the active roster. |
| Wednesday, February 7th, 2029 | | Signed free agent 2B Jimmy Visser to a 3-year contract worth a total of $45,600,000. |
| Thursday, February 1st, 2029 | | Signed free agent RF Art Holmes to a 2-year contract worth a total of $3,600,000. |
| Sunday, December 24th, 2028 | | Placed SP Don Jackson on the active roster. | | Activated SP Don Jackson from the 60-day disabled list. |
| Friday, November 24th, 2028 | | LF Gene Witt received a 1-year contract through automatic renewal worth a total of $380,000. | | SP Don Jackson received a 1-year contract through automatic renewal worth a total of $380,000. | | 1B Vic Newman received a 1-year contract through automatic renewal worth a total of $380,000. | | CF Don Rodgers becomes a free-agent. | | SP John Simonds received a 1-year contract through automatic renewal worth a total of $380,000. | | 3B Manny Martínez received a 1-year contract through automatic renewal worth a total of $380,000. | | SP Felipe Sosa received a 1-year contract through automatic renewal worth a total of $380,000. | | CF Félix Gagnon received a 1-year contract through automatic renewal worth a total of $380,000. | | MR Jerry Andrews received a 1-year contract through automatic renewal worth a total of $380,000. | | MR Vance Dares received a 1-year contract through automatic renewal worth a total of $380,000. | | C Jody Paul received a 1-year contract through automatic renewal worth a total of $380,000. | | MR Alonso Alonzo received a 1-year contract through automatic renewal worth a total of $380,000. | | 3B Jonathon Williams received a 1-year contract through automatic renewal worth a total of $380,000. | | MR Rex Jones becomes a free-agent. | | RF Al MacRob received a 1-year contract through automatic renewal worth a total of $380,000. | | 2B Pat Lee received a 1-year contract through automatic renewal worth a total of $380,000. | | C Elliot Gault becomes a free-agent. |
| Tuesday, November 21st, 2028 | | SP Zane Rhodes received a 1-year contract through arbitration worth a total of $570,000. | | 1B Dan Kavanagh received a 1-year contract through arbitration worth a total of $1,900,000. | | SP Buddy Bayles received a 1-year contract through arbitration worth a total of $570,000. | | RF Devin Payne received a 1-year contract through arbitration worth a total of $770,000. | | CL Michel Brisson received a 1-year contract through arbitration worth a total of $4,250,000. | | MR Carlos Rodríguez received a 1-year contract through arbitration worth a total of $4,250,000. |
| Thursday, November 2nd, 2028 | | Released 3B Colm Young. | | Placed MR Jim Horne on the active roster. | | Activated MR Jim Horne from the 60-day disabled list. |
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