| Date | Player | Last Season Stats | Experience | Age | Old Team | New Team | Notes |
|---|---|---|---|---|---|---|---|
| 12-08-2023 | David Fletcher (IF) | .262, 2 HR, 47 RBI in 626 AB. | 5 | 29 | LAA | ATL |
Traded
The Atlanta Braves acquired infielder David Fletcher and catcher Max Stassi from the Los Angeles Angels for first baseman Evan White and pitcher Tyler Thomas.
|
| 12-08-2023 | Brenan Hanifee (P) | - | 0 | 25 | DET | DET | Minor League contract |
| 12-08-2023 | Anthony Bemboom (C) | .222, 0 HR, 2 RBI in 27 AB. | 4 | 34 | BAL | DET | Minor League contract |
| 12-08-2023 | Tyler O'Neill (OF) | .286, 34 HR, 80 RBI in 482 AB. | 5 | 28 | STL | BOS |
Traded
The Boston Red Sox acquired outfielder Tyler O'Neill from the St. Louis Cardinals for pitchers Nick Robertson and Victor Santos.
|
| 12-08-2023 | Nick Robertson (P) | Minor League | 0 | 25 | BOS | STL |
Traded
The Boston Red Sox acquired outfielder Tyler O'Neill from the St. Louis Cardinals for pitchers Nick Robertson and Victor Santos.
|
| 12-08-2023 | Victor Santos (P) | Minor League | 0 | 23 | BOS | STL |
Traded
The Boston Red Sox acquired outfielder Tyler O'Neill from the St. Louis Cardinals for pitchers Nick Robertson and Victor Santos.
|
| 12-08-2023 | Yoshi Tsutsugo (1B/OF) | .217, 8 HR, 32 RBI in 230 AB. | 3 | 32 | SF | SF | Minor League contract |
| 12-08-2023 | Nabil Crismatt (P) | 3-1, 71 K, 3.76, in 81.1 IP. | 3 | 29 | ARI | LAD | Minor League contract |
| 12-07-2023 | Jorge Lopez (P) | 3-14, 112 K, 6.07, in 121.2 IP. | 7 | 31 | BAL | NYM | one-year |
| 12-07-2023 | Wander Suero (P) | 2-3, 44 K, 6.33, in 42.2 IP. | 4 | 32 | LAD | HOU | Minor League contract |
| 12-07-2023 | Tyler Duffey (P) | 3-3, 3 Sv,61 K, 3.18, in 62.1 IP. | 8 | 33 | CHC | KC | Minor League contract |
| 12-07-2023 | Franchy Cordero (OF/1B) | .189, 1 HR, 9 RBI in 127 AB. | 6 | 29 | NYY | Seibu (JPN) | |
| 12-07-2023 | Angel Perdomo (P) | 1-0, 28 K, 6.35, in 17 IP. | 2 | 29 | ATL | ATL | one-year |
| 12-07-2023 | Nick Senzel (IF) | .252, 1 HR, 8 RBI in 111 AB. | 4 | 28 | CIN | WSH | one-year |
| 12-07-2023 | Mike Brosseau (IF) | .187, 5 HR, 18 RBI in 150 AB. | 4 | 30 | KC | Minor League contract | |
| 12-07-2023 | Sam Long (P) | 2-1, 38 K, 5.53, in 40.2 IP. | 2 | 28 | OAK | KC | Minor League contract |
| 12-06-2023 | Jeimer Candelario (IF/DH) | .271, 16 HR, 67 RBI in 557 AB. | 7 | 30 | CHC | CIN | three-year |
| 12-06-2023 | Craig Kimbrel (P) | 4-5, 24 Sv,100 K, 2.26, in 59.2 IP. | 13 | 35 | PHI | BAL | one-year |
| 12-06-2023 | Eduardo Rodriguez (P) | 13-8, 185 K, 4.74, in 157.2 IP. | 7 | 31 | DET | ARI | four-year |
| 12-06-2023 | Jimmy Cordero (P) | - | 3 | 32 | NYY | Lotte (JPN) | |
| 12-06-2023 | Eric Wagaman (1B) | Minor League | 0 | 26 | NYY | LAA | Rule 5 (Minor) |
| 12-06-2023 | Kervin Castro (P) | 1-1, 13 K, 0.00, in 13.1 IP. | 2 | 25 | HOU | NYY | Rule 5 (Minor) |
| 12-06-2023 | Michael Tonkin (P) | - | 5 | 34 | ATL | NYM | one-year |
| 12-06-2023 | Dan Altavilla (P) | 0-0, 2 K, 6.75, in 1.1 IP. | 6 | 31 | BOS | KC | Minor League contract |
| 12-06-2023 | Dylan Coleman (P) | 0-0, 7 K, 1.42, in 6.1 IP. | 2 | 27 | KC | HOU |
Traded
The Houston Astros acquired pitcher Dylan Coleman from the Kansas City Royals for pitcher Carlos Mateo.
|
| 12-06-2023 | Carlos Mateo (P) | - | 0 | 20 | HOU | KC |
Traded
The Houston Astros acquired pitcher Dylan Coleman from the Kansas City Royals for pitcher Carlos Mateo.
|
| 12-06-2023 | Matt Sauer (P) | Minor League | 0 | 25 | NYY | KC | Rule 5 (Major) |
| 12-06-2023 | Mitch Spence (P) | Minor League | 0 | 25 | NYY | OAK | Rule 5 (Major) |
| 12-06-2023 | Anthony Molina (P) | Minor League | 0 | 22 | TB | COL | Rule 5 (Major) |
| 12-06-2023 | Shane Drohan (P) | Minor League | 0 | 25 | BOS | CHW | Rule 5 (Major) |
| 12-06-2023 | Nasim Nunez (IF) | Minor League | 0 | 23 | MIA | WSH | Rule 5 (Major) |
| 12-06-2023 | Ryan Fernandez (P) | Minor League | 0 | 25 | BOS | STL | Rule 5 (Major) |
| 12-06-2023 | Justin Slaten (P) | Minor League | 0 | 26 | TEX | NYM | Rule 5 (Major) |
| 12-06-2023 | Justin Slaten (P) | Minor League | 0 | 26 | NYM | BOS |
Traded
The Boston Red Sox acquired pitcher Justin Slaten from the New York Mets for pitcher Ryan Ammons and cash.
|
| 12-06-2023 | Deyvison De Los Santos (IF) | Minor League | 0 | 20 | ARI | CLE | Rule 5 (Major) |
| 12-06-2023 | Stephen Kolek (P) | Minor League | 0 | 27 | SEA | SD | Rule 5 (Major) |
| 12-06-2023 | Carson Coleman (P) | Minor League | 0 | 26 | NYY | TEX | Rule 5 (Major) |
| 12-06-2023 | Joe Gray (OF) | Minor League | 0 | 24 | MIL | KC | Rule 5 (Minor) |
| 12-06-2023 | Brendan Hardy (P) | Minor League | 0 | 24 | NYM | COL | Rule 5 (Minor) |
| 12-06-2023 | Jose Andres Ramirez (P) | - | 0 | 23 | BOS | CHW | Rule 5 (Minor) |
| 12-06-2023 | Samuel Vasquez (P) | Minor League | 0 | 24 | CLE | WSH | Rule 5 (Minor) |
| 12-06-2023 | Johnfrank Salazar (IF) | - | 0 | 20 | BOS | STL | Rule 5 (Minor) |
| 12-06-2023 | Donovan Antonia (C) | Minor League | 0 | 20 | CIN | NYM | Rule 5 (Minor) |
| 12-06-2023 | Fineas Del Bonta-Smith (P) | Minor League | 0 | 27 | COL | PIT | Rule 5 (Minor) |
| 12-06-2023 | Ty Brown (P) | - | 0 | 25 | HOU | CLE | Rule 5 (Minor) |
| 12-06-2023 | Mickey Gasper (C/1B) | Minor League | 0 | 28 | NYY | BOS | Rule 5 (Minor) |
| 12-06-2023 | Nick Garcia (P) | Minor League | 0 | 25 | COL | SF | Rule 5 (Minor) |
| 12-06-2023 | T.J. Sikkema (P) | - | 0 | 25 | KC | CIN | Rule 5 (Minor) |
| 12-06-2023 | Clay Dungan (IF) | Minor League | 0 | 27 | KC | SD | Rule 5 (Minor) |
| 12-06-2023 | Gabriel Barbosa (P) | - | 0 | 22 | COL | NYY | Rule 5 (Minor) |