Buffalo Banshees
Major Transactions |  | | | | Tuesday, September 3rd, 2019 | | Placed SP S. Wright on the 15-day disabled list. |
| Monday, July 15th, 2019 | | Placed 2B R. Melton on the 15-day disabled list. | | Purchased the contract of SS A. Rivera from Triple A Newark. |
| Tuesday, July 9th, 2019 | | Activated SP B. Bass from the disabled list. | | SP L. Olivares was designated for assignment and placed on irrevocable waivers. | | Assigned SP J. Ferrer to Triple A Newark. | | Assigned RF L. Uhle to Triple A Newark. |
| Wednesday, July 3rd, 2019 | | Placed CF O. Elías on the 15-day disabled list. | | Recalled LF Y. Gang from Triple A Newark. |
| Thursday, May 16th, 2019 | | Signed 1B J. López to a 3-year contract extension worth a total of $20,160,000. |
| Monday, May 13th, 2019 | | Activated LF W. Bell from the disabled list. | | Optioned CF Y. Gang to Triple A Newark. |
| Friday, May 3rd, 2019 | | Signed C M. Pérez to a 3-year contract extension worth a total of $26,640,000. | | Signed MR J. Vega to a 1-year contract extension worth a total of $380,000. |
| Sunday, April 28th, 2019 | | Activated C M. Pérez from the disabled list. | | Placed LF W. Bell on the 15-day disabled list. | | C J. White was designated for assignment, placed on waivers and taken off the 40-man roster. | | Recalled CF Y. Gang from Triple A Newark. |
| Thursday, April 18th, 2019 | | Activated RF M. Gómez from the disabled list. | | CF B. Smith was designated for assignment and placed on irrevocable waivers. |
| Saturday, April 13th, 2019 | | Placed C M. Pérez on the 15-day disabled list. | | Recalled C J. White from Triple A Newark. |
| Friday, March 22nd, 2019 | | Activated SS J. Jones from the disabled list. | | SS A. Rivera was designated for assignment, placed on waivers and taken off the 40-man roster. | | Purchased the contract of CL M. Castillo from Triple A Newark. |
| Monday, March 11th, 2019 | | 3B J. Ávila was designated for assignment, placed on waivers and taken off the 40-man roster. | | Purchased the contract of 3B B. Jones from Rookie League Oxford. | | Placed RF P. Wilson on the active roster. | | Assigned LF S. Baker to Triple A Newark. | | Traded 37-year old reliever A. Rodríguez and 21-year old minor league shortstop R. Clark to the El Paso Bayonets, getting 27-year old third baseman B. Jones and 21-year old minor league left fielder P. Juhl in return. |
| Thursday, March 7th, 2019 | | Placed SS J. Jones on the 15-day disabled list. | | RF P. Wilson was designated for assignment, placed on waivers and taken off the 40-man roster. | | LF S. Baker was designated for assignment, placed on waivers and taken off the 40-man roster. | | Purchased the contract of 3B J. Ávila from Triple A Newark. | | Purchased the contract of SP R. Moore from Double A Maynard. |
| Tuesday, November 6th, 2018 | | CF R. Córdova becomes a free-agent. | | MR G. Bane received a 1-year contract through automatic renewal worth a total of $380,000. | | C D. Lampert received a 1-year contract through automatic renewal worth a total of $380,000. | | SP C. Rivera received a 1-year contract through automatic renewal worth a total of $380,000. | | 3B F. Mercado received a 1-year contract through automatic renewal worth a total of $380,000. | | SS M. Segura received a 1-year contract through automatic renewal worth a total of $380,000. | | LF W. Bell received a 1-year contract through automatic renewal worth a total of $380,000. | | RF A. Jones becomes a free-agent. |
| Saturday, November 3rd, 2018 | | Activated RF M. Gómez from the 60-day disabled list. | | Optioned LF E. Franco to Triple A Newark. | | C J. White received a 1-year contract through arbitration worth a total of $380,000. | | CF O. Elías received a 1-year contract through arbitration worth a total of $5,643,000. | | MR W. O'Brien received a 1-year contract through arbitration worth a total of $855,000. | | RF M. Gómez received a 1-year contract through arbitration worth a total of $4,249,800. | | 3B T. Clark received a 1-year contract through arbitration worth a total of $380,000. | | CF B. Smith received a 1-year contract through arbitration worth a total of $380,000. |
| Friday, November 2nd, 2018 | | Signed manager A. Arrington to a 4-year, $460,000 per year contract. |
| Sunday, October 21st, 2018 | | Signed scout M. Winter to a 5-year, $160,000 per year contract. |
| Tuesday, October 16th, 2018 | | Signed general manager E. Marcial to a 4-year, $580,000 per year contract. |
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