| | P | Signed (The Washington Nationals signed RHP Alex Colomé to a minor league contract with an invitation to spring training.) |
| | P | Outrighted to Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | SS | Acquired Off Waivers (Signed) From |
| | P | Signed (avoids arbitration) |
| | P | Signed as Free Agent (one-year contract) |
| | P | Signed to Play in Korea (NC Dinos) |
| | SS | Outrighted to Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | 1B | Signed to a Minor League Contract (Signed) |
| | 2B | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | SS | Designated for Assignment (Signed) |
| | P | Acquired Off Waivers (Signed) From |
| | P | Signed as Free Agent (two-year contract) |
| | P | Drafted Via Rule 5 (Signed) |
| | RP | Signed to a Minor League Contract (Signed) |
| | 3B | Signed to Play in Japan (Tohoku Rakuten Golden Eagles) |
| | SS | Outrighted to Minors (Signed) |
| | CF | Outrighted to Minors (Signed) |
| | 2B | Signed to a Minor League Contract (Signed) |
| | 3B | Signed as Free Agent (one-year contract) |
| | LF | Signed as Free Agent (one-year contract) |
| | P | Free Agent - No Contract Offer (non-tendered) |
| | SS | Signed to a Minor League Contract (Signed) |
| | SS | Signed to a Minor League Contract (Signed) |
| | P | Free Agent - No Contract Offer (non-tendered) |
| | 1B | Free Agent - No Contract Offer (non-tendered) |
| | 3B | Signed (avoids arbitration) |
| | CF | Signed to a Minor League Contract (Signed) |
| | 3B | Purchased From Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | CF | Purchased From Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Outrighted to Minors (Signed) |
| | P | Outrighted to Minors (Signed) |
| | LF | Outrighted to Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | P | Released (Signed) |
| | 2B | Declared Free Agency (Signed) |
| | 1B | Declared Free Agency (Signed) |
| | C | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | CF | Declared Free Agency (Signed) |
| | CF | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | RP | Declared Free Agency (Signed) |
| | RF | Declared Free Agency (Signed) |
| | SS | Declared Free Agency (Signed) |
| | 3B | Declared Free Agency (Signed) |
| | RP | Declared Free Agency (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | 3B | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | C | Refused Minor League Assignment - Free Agent (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Refused Minor League Assignment - Free Agent (Signed) |
| | LF | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | C | Outrighted to Minors (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Outrighted to Minors (Signed) |
| | P | Declared Free Agency (Signed) |
| | 3B | Declared Free Agency (Signed) |
| | DH | Declared Free Agency (team option declined) |
| | P | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | 2B | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | C | Declared Free Agency (C Tres Barrera elected free agency.) |
| | P | Declared Free Agency (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | C | Removed From 10-Day IL (Testicular contusion) |
| | SS | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | SS | Called Up from Minors (Signed) |
| | P | Called Up from Minors (recalled as 29th roster player) |
| | P | Return of 27th man (Signed) |
| | P | Return of 27th man (Signed) |
| | P | Called Up from Minors (recalled as 29th roster player) |
| | P | Recalled From Minors Rehab (Signed) |
| | P | Return of 27th man (Signed) |
| | P | Called Up from Minors (recalled as 29th roster player) |
| | P | Sent to Minors for Rehabilitation (Signed) |
| | P | Designated for Assignment (Signed) |
| | C | Placed on 10-Day IL (Testicular contusion) |
| | P | Called Up from Minors (Signed) |
| | C | Purchased From Minors (Signed) |
| | CF | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Released (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Recalled From Minors Rehab (Signed) |
| | C | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | 3B | Cleared Waivers and Became a Free Agent (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Recalled From Minors Rehab (Signed) |
| | LF | Transferred to 60-Day IL (Strained left calf) |
| | 2B | Removed From 10-Day IL (Left groin strain) |
| | 2B | Recalled From Minors Rehab (Signed) |
| | P | Purchased From Minors (Signed) |
| | 3B | Released (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Acquired Off Waivers (Signed) From |
| | P | Released (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Recalled From Minors Rehab (Signed) |
| | 2B | Sent to Minors for Rehabilitation (Signed) |
| | P | Designated for Assignment (Signed) |
| | C | Called Up from Minors (Signed) |
| | C | Sent to Minors (Signed) |
| | P | Recalled From Minors Rehab (Signed) |
| | LF | Placed on 10-Day IL (Strained left calf) |
| | CF | Called Up from Minors (Signed) |
| | P | Sent to Minors for Rehabilitation (Signed) |
| | P | Sent to Minors for Rehabilitation (Signed) |
| | P | Sent to Minors for Rehabilitation (Signed) |
| | LF | Released (Signed) |
| | 2B | Placed on 10-Day IL (Left groin strain) |
| | SS | Called Up from Minors (Signed) |
| | CF | Sent to Minors (Signed) |
| | LF | Called Up from Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Recalled From Minors Rehab (Signed) |
| | CF | Outrighted to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | CF | Designated for Assignment (Signed) |
| | P | Acquired Off Waivers (Signed) From |
| | P | Called Up from Minors (Signed) |
| | LF | Sent to Minors (Signed) |
| | LF | Acquired Off Waivers (Signed) From |
| | P | Sent to Minors (Signed) |
| | P | Released (Signed) |
| | P | Refused Minor League Assignment - Free Agent (Signed) |
| | P | Sent to Minors for Rehabilitation (Signed) |
| | P | Outrighted to Minors (Signed) |
| | 2B | Released (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Recalled From Minors Rehab (Signed) |
| | SS | Released (Signed) |
| | P | Traded (for OF Juan Soto, eight-player deal) From |
| | CF | Traded (for OF Juan Soto, eight-player deal) From |
| | CF | Called Up from Minors (Signed) |
| | CF | Traded (for OF Juan Soto, eight-player deal) From |
| | RF | Purchased From Minors (Signed) |
| | SS | Traded (for OF Juan Soto, eight-player deal) From |
| | 1B | Traded (for OF Juan Soto, eight-player deal) From |
| | 1B | Traded (with OF Juan Soto, eight-player deal) To |
| | RF | Traded (for SS CJ Abrams, eight-player deal) To |
| | P | Transferred to 60-Day IL (Left flexor strain) |
| | SS | Sent to Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | 3B | Purchased From Minors (Signed) |
| | RF | Traded (for INF Ehire Adrianza) From |
| | 3B | Traded (for OF Trey Harris) To |
| | P | Called Up from Minors (Signed) |
| | CF | Signed to a Minor League Contract (Signed) |
| | P | Sent to Minors for Rehabilitation (Signed) |
| | P | Sent to Minors for Rehabilitation (Signed) |
| | P | Recalled From Minors Rehab (Signed) |
| | P | Called Up from Minors (Signed) |
| | LF | Signed to a Minor League Contract (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Recalled From Minors Rehab (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | 2B | Signed to a Minor League Contract (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Transferred to 60-Day IL (Stress reaction of the ribs) |
| | P | Sent to Minors (Signed) |
| | P | Recalled From Minors Rehab (Signed) |
| | P | Called Up from Minors (recalled as 27th roster player) |
| | P | Return of 27th man (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Transferred to 60-Day IL (Right scapula stress fracture) |
| | P | Recalled From Minors Rehab (Signed) |
| | P | Sent to Minors for Rehabilitation (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Acquired Off Waivers (Signed) To |
| | P | Called Up from Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | C | Sent to Minors (Signed) |
| | P | Recalled From Minors Rehab (Signed) |
| | C | Called Up from Minors (Signed) |