| | | Thursday, October 23rd, 2042 | | Signed RF Alan Pineau to a 6-year contract extension worth a total of $43,800,000. |
| Saturday, October 18th, 2042 | | Signed CF Steve Pope to a minor league contract extension. |
| Wednesday, September 17th, 2042 | | Signed CF Richard Babin to a 3-year contract extension worth a total of $9,300,000. |
| Tuesday, September 9th, 2042 | | Signed free agent 1B Stéphane St-Onge to a minor league contract. |
| Saturday, August 16th, 2042 | | Signed SP Erwin Gautreau to a 3-year contract extension worth a total of $25,500,000. |
| Tuesday, August 12th, 2042 | | Signed C Jordan Godin to a 2-year contract extension worth a total of $18,600,000. |
| Friday, August 8th, 2042 | | Signed MR Daryl Shears to a minor league contract extension. | | Signed 1B Don Gosselin to a minor league contract extension. | | Signed MR Hsin Seema to a minor league contract extension. | | Signed 3B Frédéric Tétreault to a minor league contract extension. |
| Tuesday, August 5th, 2042 | | Signed SP Sergio Gonzáles to a minor league contract extension. |
| Monday, August 4th, 2042 | | Released MR Bill Wills.(Career-ending injury) |
| Wednesday, July 23rd, 2042 | | Signed 1B António Aragón to a minor league contract extension. |
| Saturday, July 12th, 2042 | | Signed C Héctor Santiago to a 2-year contract extension worth a total of $2,433,400. | | Signed RF Don Richardson to a minor league contract extension. | | Signed C Fei-hsien Ge to a minor league contract extension. |
| Sunday, June 15th, 2042 | | Drafted LF Frank Stamp in the 2042 first-year player draft (Round 1, Pick 18, 18th overall pick). | | Drafted 3B Juan Mateo in the 2042 first-year player draft (Round 2, Pick 18, 42nd overall pick). | | Drafted SP Scott Saxton in the 2042 first-year player draft (Round 3, Pick 18, 66th overall pick). | | Drafted 1B Dave Collins in the 2042 first-year player draft (Round 4, Pick 18, 90th overall pick). | | Drafted SP Gary Kerry in the 2042 first-year player draft (Round 5, Pick 18, 114th overall pick). | | Drafted LF Adam Morrissey in the 2042 first-year player draft (Round 6, Pick 18, 138th overall pick). | | Drafted SP Kevin Gauthier in the 2042 first-year player draft (Round 7, Pick 18, 162nd overall pick). | | Drafted LF John Genge in the 2042 first-year player draft (Round 8, Pick 18, 186th overall pick). | | Drafted SP Tristan Jacques in the 2042 first-year player draft (Round 9, Pick 18, 210th overall pick). | | Drafted 2B Felipe García in the 2042 first-year player draft (Round 10, Pick 18, 234th overall pick). |
| Tuesday, June 10th, 2042 | | Signed free agent SS John Peet to a minor league contract. |
| Monday, May 19th, 2042 | | MR Roger Simms was designated for assignment and placed on waivers. | | Placed RF Alan Pineau on the active roster. | | Activated RF Alan Pineau from the disabled list. |
| Sunday, March 9th, 2042 | | Signed free agent RF Ed Makeever to a 1-year contract worth a total of $1,710,000. |
| Wednesday, February 19th, 2042 | | Placed MR Jude Gagnon on the 40-man roster. | | Placed MR Jude Gagnon on the active roster. |
| Thursday, February 6th, 2042 | | Signed free agent MR Jude Gagnon to a 1-year contract worth a total of $490,000. |
| Monday, January 6th, 2042 | | Signed SP Woody Quero to a minor league contract extension. |
| Friday, January 3rd, 2042 | | Signed SP Pepe Hernández to a 4-year contract extension worth a total of $40,000,000. | | Signed MR Takeji Imai to a minor league contract extension. |
| Tuesday, November 26th, 2041 | | SS Walt Grange received a 1-year contract through automatic renewal worth a total of $300,000. | | MR Gilbert Richard received a 1-year contract through automatic renewal worth a total of $300,000. | | SP Kevin McBean received a 1-year contract through automatic renewal worth a total of $300,000. | | MR Karl Whalen becomes a free-agent. | | SP António Ibáñez received a 1-year contract through automatic renewal worth a total of $300,000. | | RF Ryuichi Saito becomes a free-agent. | | SP Adam Jackman becomes a free-agent. |
| Saturday, November 23rd, 2041 | | RF Renaud LaFlamme received a 1-year contract through arbitration worth a total of $450,000. | | CF Don Hanlon received a 1-year contract through arbitration worth a total of $450,000. | | 2B Joe Patton received a 1-year contract through arbitration worth a total of $1,800,000. | | LF Louie Hubley received a 1-year contract through arbitration worth a total of $3,850,000. | | RF Alan Pineau received a 1-year contract through arbitration worth a total of $5,929,000. | | 3B Eric Frizzell received a 1-year contract through arbitration worth a total of $450,000. | | 2B John Richards received a 1-year contract through arbitration worth a total of $2,274,000. | | 2B Jim Stevens received a 1-year contract through arbitration worth a total of $450,000. |
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