| | CB | Signed (The Dallas Cowboys signed CB Gareon Conley.) |
| | LB | Signed (The Dallas Cowboys signed LB Willie Harvey.) |
| | DE | Signed (The Dallas Cowboys signed DE Marshawn Kneeland.) |
| | DE | Signed (The Dallas Cowboys signed DE Marshawn Kneeland.) |
| | WR | Released (The Dallas Cowboys released WR Martavis Bryant.) |
| | RB | Signed (The Dallas Cowboys have signed RB Ezekiel Elliot.) 從 |
| | RB | Signed (The Dallas Cowboys signed RB Nathaniel Peat.) |
| | LB | Signed (The Dallas Cowboys signed LB Brock Mogensen.) |
| | CB | Signed (The Dallas Cowboys signed CB Josh DeBerry.) |
| | LB | Signed (The Dallas Cowboys signed LB Damien Wilson.) |
| | WR | Signed (The Dallas Cowboys signed ) |
| | WR | Signed (The Dallas Cowboys signed WR Corey Crooms.) |
| | S | Signed (The Dallas Cowboys signed S Emany Johnson.) |
| | LB | Signed (The Dallas Cowboys signed ) |
| | LB | Signed (The Dallas Cowboys signed LB Jason Johnson.) |
| | S | Signed (The Dallas Cowboys signed S Julius Wood.) |
| | WR | Signed (The Dallas Cowboys signed WR Tyron Billy-Johnson.) |
| | TE | Signed (The Dallas Cowboys signed TE Alec Holler.) |
| | TE | Signed (The Dallas Cowboys signed TE Brevyn Spann-Ford.) |
| | RB | Signed (The Dallas Cowboys signed RB Royce Freeman.) |
| | CB | Declared Free Agent (CB Noah Igbinoghene elected free agency.) |
| | T | Declared Free Agent (T Tyron Smith elected free agency.) |
| | LB | Released (The Dallas Cowboys released LB Leighton Vander Esch.) |
| | WR | Released (The Dallas Cowboys released WR Michael Gallup.) |
| | MLB | Signed (The Dallas Cowboys signed LB Eric Kendricks.) |
| | DT | Declared Free Agent (Dallas Cowboys DT Neville Gallimore declared free agency.) |
| | DE | Declared Free Agent (DE Dante Fowler Jr. declared free agency.) |
| | DE | Declared Free Agent (DE Dorance Armstrong elected free agency.) |
| | RB | Declared Free Agent (RB Tony Pollard elected free agency.) |
| | C | Declared Free Agent (OC Tyler Biadasz elected free agency.) |
| | T | Contract Expired (T La'el Collins' contract with the Dallas Cowboys expired.) |
| | LB | Contract Expired (LB Damien Wilson's contract with the Dallas Cowboys expired.) |
| | C | Contract Expired (C Billy Price's contract with the Dallas Cowboys expired.) |
| | WR | Signed (The Dallas Cowboys signed WR Martavis Bryant to a reserve/future contract.) |
| | RB | Signed (The Dallas Cowboys signed RB Malik Davis to a reserve/future contract.) |
| | RB | Signed (The Dallas Cowboys signed RB Snoop Conner to a reserve/future contract.) 從 |
| | T | Signed (The Dallas Cowboys signed C Dakoda Shepley to a reserve/future contract.) |
| | WR | Signed (The Dallas Cowboys signed WR Racey McMath to a reserve/future contract.) |
| | TE | Signed (The Dallas Cowboys signed TE Princeton Fant to a reserve/future contract.) |
| | LB | Pract. squad add (The Dallas Cowboys assigned LB Malik Jefferson to the practice squad.) |
| | CB | Signed (The Dallas Cowboys signed CB Josh Butler to a reserve/future contract.) |
| | LB | Pract. squad add (The Dallas Cowboys assigned LB Buddy Johnson to the practice squad.) |
| | DE | Signed (The Dallas Cowboys signed DE Durrell Johnson to a reserve/future contract.) |
| | LB | Signed (The Dallas Cowboys signed LB Buddy Johnson to a reserve/future contract.) |
| | DB | Signed (The Dallas Cowboys signed DB Sheldrick Redwine to a reserve/future contract.) |
| | T | Signed (The Dallas Cowboys signed T Earl Bostick to a reserve/future contract.) |
| | WR | Signed (The Dallas Cowboys signed WR Jalen Cropper to a reserve/future contract.) |
| | LB | Activated (The Dallas Cowboys elevated LB Malik Jefferson from the practice squad.) |
| | LB | Activated (The Dallas Cowboys elevated LB Buddy Johnson from the practice squad.) |
| | LB | Pract. squad add (The Dallas Cowboys assigned LB Buddy Johnson to the practice squad.) |
| | DB | Pract. squad add (The Dallas Cowboys assigned DB Sheldrick Redwine to the practice squad.) |
| | DB | Activated (The Dallas Cowboys elevated DB Sheldrick Redwine from the practice squad.) |
| | LB | Activated (The Dallas Cowboys elevated LB Buddy Johnson from the practice squad.) |
| | DT | Released (The Dallas Cowboys released DL Willington Previlon.) |
| | G | Released (The Dallas Cowboys released OL Adam Pankey.) |
| | WR | Released (The Dallas Cowboys released WR Tyron Bily-Johnson.) |
| | WR | Released (The Dallas Cowboys released WR Martavis Bryant.) |
| | RB | Placed on Injured Reserve (The Dallas Cowboys placed RB Deuce Vaughn on IR.) |
| | RB | Pract. squad add (The Dallas Cowboys signed RB SaRodorick Thompson to the practice squad.) |
| | WR | Pract. squad add (The Dallas Cowboys sign WR Racey McMath to the practice squad.) |
| | DE | Activated (The Dallas Cowboys activated DL Viliami Fehoko Jr. from IRD.) |
| | LB | Pract. squad add (The Dallas Cowboys sign LB Damien Wilson to the practice squad.) |
| | T | Pract. squad add (The Dallas Cowboys signed T La'el Collins to the practice squad.) |
| | LB | Activated (The Dallas Cowboys elevated LB Buddy Johnson to the active roster.) |
| | DT | Activated (The Dallas Cowboys elevated NT Carl Davis to the active roster.) |
| | LB | Released (The Dallas Cowboys released LB Rashaan Evans.) |
| | OT | Activated (The Dallas Cowboys activated OL Matt Waletzko.) |
| | RB | Activated (The Dallas Cowboys elevated RB Malik Davis from the practice squad to the active roster.) |
| | DT | Activated (The Dallas Cowboys elevated NT Carl Davis to the active roster from the practice squad.) |
| | DT | Pract. squad add (The Dallas Cowboys assigned DL Carl Davis to the practice squad.) |
| | RB | Pract. squad add (The Dallas Cowboys assigned RB Malik Davis to the practice squad.) |
| | RB | Activated (The Dallas Cowboys elevated RB Malik Davis to the active roster.) |
| | DT | Activated (The Dallas Cowboys elevated NT Carl Davis to the active roster.) |
| | C | Placed on Injured Reserve, Designated for Return (The Dallas Cowboys placed OL Billy Price on IRD.) |
| | DE | Placed on Injured Reserve, Designated for Return (The Dallas Cowboys placed DL Villami Fehoko Jr. on IRD.) |
| | TE | Pract. squad add (The Dallas Cowboys assigned TE Princeton Fant to the practice squad.) |
| | TE | Activated (The Dallas Cowboys elevated TE Princeton Fant to the active roster.) |
| | TE | Placed on Injured Reserve (The Dallas Cowboys placed TE Sean McKeon on injured reserve.) |
| | TE | Activated (The Dallas Cowboys activated TE Peyton Hendershot from the IRD.) |
| | OT | Placed on Injured Reserve, Designated for Return (The Dallas Cowboys placed T Matt Waletzko on the IRD.) |
| | TE | Activated (The Dallas Cowboys signed TE Princeton Fant to the active roster.) |