| | PG | Signed/Offer Sheet (The Dallas Mavericks signed G Jazian Gortman to a Two-Way contract.) |
| | C | Waived (The Dallas Mavericks waived C Jamarion Sharp.) |
| | SG | Waived (The Dallas Mavericks waived G A.J. Lawson.) |
| | SG | Signed/Offer Sheet (The Dallas Mavericks signed G A.J. Lawson to a two-way NBA contract.) |
| | SG | Waived (The Dallas Mavericks waived G A.J. Lawson.) |
| | PF | Signed/Offer Sheet (The Dallas Mavericks signed F Markieff Morris.) |
| | SF | Waived (The Dallas Mavericks waived F Alex Fudge.) |
| | C | Signed/Offer Sheet (The Dallas Mavericks signed C Jamarion Sharp.) |
| | PG | Signed/Offer Sheet (The Dallas Mavericks signed G Spencer Dinwiddie.) |
| | SF | Signed/Offer Sheet (The Dallas Mavericks signed F Naji Marshall.) |
| | SG | Traded (The Dallas Mavericks traded G Josh Green to the Charlotte Hornets.) To |
| | SG | Signed/Offer Sheet (The Dallas Mavericks signed G Klay Thompson.) |
| | PF | Declared Free Agency (F Markieff Morris elected free agency.) |
| | PF | Declared Free Agency (F Greg Brown III elected free agency.) |
| | SF | Declared Free Agency (F Derrick Jones Jr. elected free agency.) |
| | SG | Traded (The Detroit Pistons traded G Quentin Grimes to the Dallas Mavericks.) From |
| | SG | Traded (The Dallas Mavericks traded G-F Tim Hardaway Jr. to the Detroit Pistons.) To |
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