The 2014–15 Dallas Mavericks season was the 35th season of the franchise in the National Basketball Association (NBA). The Mavericks finished fourth in the Southwest Division and seventh in the Western Conference with a 50–32 record. The Mavs' season ended with a 1–4 first round playoff series loss to the Houston Rockets.

The Mavericks acquired Rajon Rondo from the Boston Celtics in a mid-season trade. However, Rondo ran into problems with head coach Rick Carlisle including engaging in a shouting match with Carlisle after being benched. Rondo left the team at the end of the season to join the Sacramento Kings.

Both second round picks the Mavericks had were traded one day prior to the draft to the New York Knicks along with José Calderón, Samuel Dalembert, Shane Larkin, and Wayne Ellington for Tyson Chandler and Raymond Felton.^[1]

The Mavericks went into the offseason with six free agents. Being on the Mavs for his whole career, Dirk Nowitzki agreed to a new three-year contract on July 4.^[2][3] One day later, Devin Harris accepted a new four-year deal with the Mavs.^[4][5]

On July 10, the Mavs submitted a three-year, $46 million offer sheet signed by restricted free agent Chandler Parsons to the Houston Rockets.^[6] Three days later, the Rockets announced they would not match the offer, leaving Parsons to play in Dallas.^[7][8]

Richard Jefferson agreed to a one-year minimum contract on July 13.^[9][10]

On July 14, Greg Smith came to the Mavs through a trade with the Chicago Bulls for the rights to Tadija Dragićević.^[11]

Rashard Lewis agreed to a one-year minimum contract on July 16.^[12] After closing the deal on July 19,^[13] his contract was voided four days later, as it was announced that he failed the physical test and required a knee surgery.^[14]

On July 18, the Mavs signed Eric Griffin to a nonguaranteed contract.^[15][16]

Al-Farouq Aminu agreed to a two-year minimum contract on July 24.^[17][18] On the same day, Jameer Nelson agreed to a two-year contract.^[19][20]

On July 29, the Mavs signed Ivan Johnson to a partially guaranteed contract.^[21][22]

Bernard James signed a new one-year contract on September 3.^[23][24]

On September 8, the Mavs signed Charlie Villanueva to a nonguaranteed contract.^[25][26]

Doron Lamb signed a nonguaranteed contract on September 22.^[27][28]

Yuki Togashi was signed on October 15.^[29]

On October 21, 2014, the Mavericks waived Yuki Togashi and Eric Griffin.^[30]

The Mavericks waived Bernard James, Ivan Johnson and Doron Lamb on October 25, 2014.^[31]

On October 29, 2014, the Mavericks signed José Juan Barea^[32] and waived Gal Mekel.^[33]

Final statistics.^[36]

• Dirk Nowitzki passed Hakeem Olajuwon on November 11, 2014, heading into ninth place on the all-time scoring list.^[80]
• Nowitzki scored his 27,000th point for one franchise on November 17, 2014.^[81]
• Nowitzki passed Elvin Hayes on December 26, 2014, heading into eighth place on the all-time scoring list.^[82]
• Nowitzki passed Moses Malone on January 5, 2015, heading into seventh place on the all-time scoring list.^[83]
• Nowitzki recorded his 10,000th career rebound on March 24, 2015.^[84]
• Nowitzki scored his 28,000th career point on April 1, 2015.^[85]