| | | Monday, September 8th, 2042 | | Placed SP Fabrice Cousineau on the CBL Rookie League 14-day disabled list. |
| Tuesday, September 2nd, 2042 | | Signed MR José Beltrán to a 3-year contract extension worth a total of $12,900,000. |
| Monday, September 1st, 2042 | | Placed SS Bob Renaud on the 40-man roster. | | 1B Ian Files was designated for assignment and placed on waivers. | | Placed SS Bob Renaud on the active roster. | | Placed LF André Morin on the CBL Rookie League 14-day disabled list. | | Placed 3B Atsushi Uenohara on the CBL Rookie League 14-day disabled list. | | Placed CF Jeff Lent on the CBL Triple A 14-day disabled list. |
| Monday, August 25th, 2042 | | Placed 1B Fred Beaudin on the 14-day disabled list. |
| Thursday, August 14th, 2042 | | Signed CL Warren Wheelock to a 3-year contract extension worth a total of $18,738,000. |
| Monday, August 11th, 2042 | | Placed LF Steven Golunski on the CBL Single A 14-day disabled list. | | Placed LF Martin MacIndoe on the CBL Double A 14-day disabled list. | | Placed MR Wayne Starks on the CBL Triple A 14-day disabled list. |
| Wednesday, August 6th, 2042 | | Signed MR Clay Turner to a 1-year contract extension worth a total of $1,300,000. |
| Tuesday, June 24th, 2042 | | Signed free agent LF Dave Rideout to a minor league contract. | | Signed free agent LF André Morin to a minor league contract. | | Signed free agent MR Lloyd Walsh to a minor league contract. |
| Monday, June 16th, 2042 | | Signed free agent SP Henry Duncan to a minor league contract. | | Signed free agent SP Ken Cole to a minor league contract. |
| Sunday, June 15th, 2042 | | Drafted CF Marcel Fortier in the 2042 first-year player draft (Round 1, Pick 6, 6th overall pick). | | Drafted SP Alfonso Icaza in the 2042 first-year player draft (Round 2, Pick 6, 30th overall pick). | | Drafted CL Fabrice Cousineau in the 2042 first-year player draft (Round 3, Pick 6, 54th overall pick). | | Drafted 2B Frédéric Maltais in the 2042 first-year player draft (Round 4, Pick 6, 78th overall pick). | | Placed MR Aaron Mullins on the 60-day disabled list. | | Placed SP Gus Phillips on the 40-man roster. | | Placed SP Gus Phillips on the active roster. | | Designated SP Gus Phillips for assignment. | | Purchased the contract of CL Léo Fillion from Triple A Glace Bay. | | Drafted SP Arnie Leonard in the 2042 first-year player draft (Round 5, Pick 6, 102nd overall pick). | | Drafted SP Danny Wesman in the 2042 first-year player draft (Round 6, Pick 6, 126th overall pick). | | Drafted SP Bobby Darrah in the 2042 first-year player draft (Round 7, Pick 6, 150th overall pick). | | Drafted 1B Vern Fortin in the 2042 first-year player draft (Round 8, Pick 6, 174th overall pick). | | Drafted SP Dany Roy in the 2042 first-year player draft (Round 9, Pick 6, 198th overall pick). | | Drafted C Carlos Flores in the 2042 first-year player draft (Round 10, Pick 6, 222nd overall pick). |
| Monday, June 9th, 2042 | | SP Gus Phillips was designated for assignment and placed on waivers. |
| Saturday, June 7th, 2042 | | Signed SP Roger Pratt to a 3-year contract extension worth a total of $4,200,000. |
| Monday, June 2nd, 2042 | | Placed 3B Kalule Babla on the CBL Double A 14-day disabled list. |
| Monday, May 12th, 2042 | | Placed SP Aki Nishida on the CBL Single A 14-day disabled list. |
| Monday, May 5th, 2042 | | Placed 1B Rick Luckwell on the CBL Double A 14-day disabled list. |
| Monday, April 14th, 2042 | | Placed SP Paul Ducklow on the CBL Single A 14-day disabled list. |
| Saturday, March 22nd, 2042 | | Signed free agent RF Manuel Villa to a 1-year contract worth a total of $4,200,000. |
| Sunday, March 9th, 2042 | | Signed free agent SP Karl Lahaie to a 1-year contract worth a total of $300,000. |
| Sunday, February 23rd, 2042 | | Signed free agent C Juan López to a 1-year contract worth a total of $800,000. |
| Monday, February 10th, 2042 | | Signed free agent MR Ching-hsia Shui to a 3-year contract worth a total of $7,740,000. | | Signed free agent SP Benoît Lussier to a 4-year contract worth a total of $40,240,000. |
| Wednesday, January 29th, 2042 | | Signed free agent 1B Ian Files to a 1-year contract worth a total of $500,000. | | Placed SP James Graham on the 40-man roster. | | Placed SP James Graham on the active roster. | | Placed 1B Ian Files on the 40-man roster. | | Placed 1B Ian Files on the active roster. |
| Saturday, January 25th, 2042 | | Signed free agent SP James Graham to a 2-year contract worth a total of $5,460,000. |
| Tuesday, January 21st, 2042 | | Signed free agent CF François-Xavier Blais to a 2-year contract worth a total of $6,420,000. | | Signed free agent 2B Xi-wang Tien to a 1-year contract worth a total of $720,000. |
| Tuesday, November 26th, 2041 | | SP Roger Pratt received a 1-year contract through automatic renewal worth a total of $300,000. | | CF François-Xavier Blais becomes a free-agent. | | MR Bernie Beals received a 1-year contract through automatic renewal worth a total of $300,000. | | SP Gus Phillips received a 1-year contract through automatic renewal worth a total of $300,000. | | SP Bob Davidson becomes a free-agent. | | 2B Xi-wang Tien becomes a free-agent. | | CF Travis Weeks received a 1-year contract through automatic renewal worth a total of $300,000. | | RF Paul O'Neil received a 1-year contract through automatic renewal worth a total of $300,000. | | RF Manny Martínez received a 1-year contract through automatic renewal worth a total of $300,000. | | 2B Pablo Soto received a 1-year contract through automatic renewal worth a total of $300,000. | | SP José Trevino becomes a free-agent. | | 3B Dick MacBride received a 1-year contract through automatic renewal worth a total of $300,000. | | C Joe Burt becomes a free-agent. |
| Saturday, November 23rd, 2041 | | MR Travis Stretton received a 1-year contract through arbitration worth a total of $1,825,000. | | 1B Fred Beaudin received a 1-year contract through arbitration worth a total of $470,000. | | LF Bill Pellerin received a 1-year contract through arbitration worth a total of $700,000. | | C Dave Pelley received a 1-year contract through arbitration worth a total of $2,000,000. | | C Jeremy Henningar becomes a free-agent. | | SP Neal Constable becomes a free-agent. | | SS Ho-win Que received a 1-year contract through arbitration worth a total of $600,000. |
| Saturday, November 9th, 2041 | | Signed 3B José Martínez to a minor league contract extension. | | Signed CF John Flynn to a minor league contract extension. | | Signed MR David Parent to a minor league contract extension. |
| Thursday, November 7th, 2041 | | Signed 2B Norberto González to a minor league contract extension. | | Signed MR Thomas Boivin to a minor league contract extension. | | Signed 3B Kalule Babla to a minor league contract extension. |
| Wednesday, November 6th, 2041 | | Signed CF Carl Buchanan to a minor league contract extension. | | Signed C Lee Cannon to a minor league contract extension. | | Signed SP Phil Nordahl to a minor league contract extension. | | Signed C Palmer Neil to a minor league contract extension. | | Signed SP Rafael Lugo to a minor league contract extension. | | Signed RF José Martínez to a minor league contract extension. | | Signed SP Mark Ralph to a minor league contract extension. |
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