The 2009–10 Dallas Mavericks season was the 30th season of the franchise in the National Basketball Association (NBA).

This was the 12th season for Dirk Nowitzki. He was selected to represent the Western Conference as an All-Star. He was also a Team Captain. They finished another best record of 55–27, finishing as the 2nd seed in the West. The Mavericks also got their third division title, and first since 2007.

In the playoffs, they met the San Antonio Spurs for the second straight season in a rematch of the previous year's first round series in which Dallas won in five games. This time, Dallas lost to the Spurs in six games.

Key dates June 25 – The 2009 NBA draft took place in New York City. July 8 – The free agency period started.

Draft picks

Round Pick Player Position Nationality College/Team 1 24 (traded to Oklahoma City) C Ohio State 1 25 (traded from Oklahoma City) PG Cholet (France) 2 45 (traded from Minnesota) PG Oregon 2 52 (traded to Indiana) PG Connecticut 2 56 PF Saint Joseph's

Roster

Pre-season 2009 Pre-season game log: 5–2 (home: 3–1; road: 2–1) # Date Opponent Score Attendance Record Recap 1 October 5 Orlando L 105–110 American Airlines Center16,596 0–1 2 October 9 @ Washington W 123–115 Verizon Center8,102 1–1 3 October 11 Memphis W 114–107 American Airlines Center18,207 2–1 4 October 15 Detroit W 113–88 American Airlines Center17,555 3–1 5 October 17 Cleveland W 93–82 American Airlines Center18,525 4–1 6 October 20 @ Cleveland L 66–96 Petersen Events Center10,011 4–2 7 October 23 @ Houston W 98–94 Toyota Center16,393 5–2

Regular season

Standings

Game log

|- bgcolor="#ffcccc" | 1 | October 27 | Washington | | Dirk Nowitzki (34) | Dirk Nowitzki (9) | Jason Kidd (6) | American Airlines Center19,871 | 0–1 |- bgcolor="#bbffbb" | 2 | October 30 | @ LA Lakers | | Dirk Nowitzki (21) | Erick Dampier, Dirk Nowitzki (10) | Jason Kidd (11) | Staples Center18,997 | 1-1 |- bgcolor="#bbffbb" | 3 | October 31 | @ LA Clippers | | Dirk Nowitzki (24) | Shawn Marion (11) | Jason Kidd (10) | Staples Center13,626 | 2–1

|- bgcolor="#bbffbb" | 4 | November 3 | Utah | | Dirk Nowitzki (40) | Erick Dampier (12) | Jason Kidd (6) | American Airlines Center19,725 | 3–1 |- bgcolor="#ffcccc" | 5 | November 4 | @ New Orleans | | Jason Terry (35) | Erick Dampier (14) | Jason Kidd (10) | New Orleans Arena13,566 | 3–2 |- bgcolor="#bbffbb" | 6 | November 7 | Toronto | | Dirk Nowitzki (29) | Dirk Nowitzki (9) | José Juan Barea (12) | American Airlines Center19,977 | 4–2 |- bgcolor="#bbffbb" | 7 | November 10 | Houston | | Jason Terry (24) | Erick Dampier(20) | Jason Kidd (11) | American Airlines Center19,720 | 5–2 |- bgcolor="#ffcccc" | 8 | November 11 | @ San Antonio | | Dirk Nowitzki (29) | Dirk Nowitzki (12) | Jason Kidd (9) | AT&T Center18,581 | 5–3 |- bgcolor="#bbffbb" | 9 | November 13 | @ Minnesota | | Dirk Nowitzki (20) | Dirk Nowitzki (11) | Jason Kidd (6) | Target Center12,372 | 6–3 |- bgcolor="#bbffbb" | 10 | November 15 | @ Detroit | | Dirk Nowitzki (25) | Drew Gooden (11) | Jason Kidd (7) | Palace of Auburn Hills18,215 | 7–3 |- bgcolor="#bbffbb" | 11 | November 16 | @ Milwaukee | | Dirk Nowitzki (32) | Drew Gooden (14) | Jason Kidd (17) | Bradley Center13,683 | 8–3 |- bgcolor="#bbffbb" | 12 | November 18 | San Antonio | | Dirk Nowitzki (41) | Dirk Nowitzki (12) | Jason Kidd (8) | American Airlines Center20,110 | 9–3 |- bgcolor="#bbffbb" | 13 | November 20 | Sacramento | | Dirk Nowitzki, Jason Terry (20) | Drew Gooden (16) | Jason Kidd (11) | American Airlines Center19,871 | 10–3 |- bgcolor="#ffcccc" | 14 | November 24 | Golden State | | Dirk Nowitzki (28) | Drew Gooden (12) | Jason Kidd (13) | American Airlines20,008 | 10–4 |- bgcolor="#bbffbb" | 15 | November 25 | @ Houston | | Jason Terry (27) | Dirk Nowitzki (8) | Jason Terry (10) | Toyota Center18,157 | 11–4 |- bgcolor="#bbffbb" | 16 | November 27 | @ Indiana | | Dirk Nowitzki (31) | Kris Humphries (11) | José Juan Barea, Jason Kidd (4) | Conseco Fieldhouse16,631 | 12–4 |- bgcolor="#ffcccc" | 17 | November 28 | @ Cleveland | | Dirk Nowitzki (27) | Dirk Nowitzki (9) | Jason Kidd (9) | Quicken Loans Arena20,562 | 12–5 |- bgcolor="#bbffbb" | 18 | November 30 | Philadelphia | | Dirk Nowitzki (28) | Drew Gooden (10) | Jason Kidd (11) | American Airlines Center19,783 | 13–5

|- bgcolor="#bbffbb" | 19 | December 2 | @ New Jersey | | Dirk Nowitzki (24) | Erick Dampier (11) | Jason Kidd (10) | IZOD Center11,689 | 14–5 |- bgcolor="#ffcccc" | 20 | December 4 | @ Memphis | | Jason Terry (18) | Shawn Marion (11) | Jason Kidd (7) | FedExForum13,020 | 14–6 |- bgcolor="#ffcccc" | 21 | December 5 | Atlanta | | Dirk Nowitzki (32) | Erick Dampier (12) | Jason Kidd (6) | American Airlines Center19,550 | 14–7 |- bgcolor="#bbffbb" | 22 | December 8 | Phoenix | | Dirk Nowitzki (33) | Dirk Nowitzki (8) | Jason Kidd (11) | American Airlines Center19,857 | 15–7 |- bgcolor="#bbffbb" | 23 | December 11 | @ Miami | | Dirk Nowitzki (25) | Erick Dampier (17) | Jason Kidd (11) | American Airlines Arena18,703 | 16–7 |- bgcolor="#bbffbb" | 24 | December 12 | Charlotte | | Dirk Nowitzki (36) | Erick Dampier (18) | Jason Kidd (9) | American Airlines Center20,151 | 17–7 |- bgcolor="#bbffbb" | 25 | December 14 | New Orleans | | José Juan Barea (23) | Erick Dampier, Josh Howard (8) | Jason Kidd (13) | American Airlines Center19,737 | 18–7 |- bgcolor="#bbffbb" | 26 | December 16 | @ Oklahoma City | | Dirk Nowitzki (35) | Dirk Nowitzki (11) | Jason Kidd (9) | Ford Center18,203 | 19–7 |- bgcolor="#ffcccc" | 27 | December 18 | Houston | | José Juan Barea (23) | Erick Dampier (14) | Jason Kidd (10) | American Airlines Center19,890 | 19–8 |- bgcolor="#bbffbb" | 28 | December 20 | Cleveland | | Tim Thomas (22) | Erick Dampier (10) | Jason Kidd (11) | American Airlines Center20,346 | 20–8 |- bgcolor="#ffcccc" | 29 | December 22 | Portland | | Dirk Nowitzki (27) | Erick Dampier (15) | Jason Kidd (6) | American Airlines Center19,863 | 20–9 |- bgcolor="#bbffbb" | 30 | December 26 | Memphis | | Jason Terry (23) | Erick Dampier (10) | Jason Kidd (10) | American Airlines Center20,195 | 21–9 |- bgcolor="#bbffbb" | 31 | December 27 | @ Denver | | Drew Gooden (19) | Dirk Nowitzki (11) | Jason Kidd (9) | Pepsi Center19,756 | 22–9 |- bgcolor="#ffcccc" | 32 | December 31 | @ Houston | | Jason Terry (28) | Shawn Marion (9) | Jason Kidd (5) | Toyota Center18,306 | 22–10

|- bgcolor="#bbffbb" | 33 | January 2 | @ Sacramento | | Dirk Nowitzki (25) | Drew Gooden (10) | Jason Kidd (7) | ARCO Center14,294 | 23–10 |- bgcolor="#ffcccc" | 34 | January 3 | @ LA Lakers | | Dirk Nowitzki (22) | Dirk Nowitzki (8) | Jason Kidd (5) | Staples Center18,997 | 23–11 |- bgcolor="#bbffbb" | 35 | January 5 | Detroit | | Jason Terry (26) | Drew Gooden (18) | Jason Kidd (8) | American Airlines Center19,799 | 24–11 |- bgcolor="#bbffbb" | 36 | January 8 | @ San Antonio | | Dirk Nowitzki (26) | Drew Gooden (8) | Jason Kidd, Jason Terry (8) | AT&T Center18,581 | 25–11 |- bgcolor="#ffcccc" | 37 | January 9 | Utah | | Dirk Nowitzki (29) | Erick Dampier (13) | Jason Kidd (8) | American Airlines Center19,922 | 25–12 |- bgcolor="#ffcccc" | 38 | January 13 | LA Lakers | | Dirk Nowitzki (30) | Dirk Nowitzki (16) | Jason Kidd (11) | American Airlines Center20,461 | 25–13 |- bgcolor="#bbffbb" | 39 | January 15 | Oklahoma City | | Dirk Nowitzki (32) | Erick Dampier (9) | Jason Kidd (11) | American Airlines Center20,064 | 26–13 |- bgcolor="#ffcccc" | 40 | January 17 | @ Toronto | | Dirk Nowitzki (19) | Drew Gooden (10) | Jason Kidd (9) | Air Canada Centre19,004 | 26–14 |- bgcolor="#bbffbb" | 41 | January 18 | @ Boston | | Dirk Nowitzki (37) | Shawn Marion (10) | Jason Kidd (17) | TD Garden18,624 | 27–14 |- bgcolor="#bbffbb" | 42 | January 20 | @ Washington | | Dirk Nowitzki (28) | Shawn Marion (12) | Jason Kidd (15) | Verizon Center13,974 | 28–14 |- bgcolor="#ffcccc" | 43 | January 22 | @ Philadelphia | | Dirk Nowitzki (15) | Jason Kidd (9) | Jason Kidd (7) | Wachovia Center17,647 | 28–15 |- bgcolor="#bbffbb" | 44 | January 24 | @ NY Knicks | | Dirk Nowitzki, Jason Terry (20) | Drew Gooden (18) | Rodrigue Beaubois (5) | Madison Square Garden19,418 | 29–15 |- bgcolor="#bbffbb" | 45 | January 26 | Milwaukee | | Dirk Nowitzki (28) | Erick Dampier (11) | Jason Kidd (12) | American Airlines Center19,799 | 30–15 |- bgcolor="#ffcccc" | 46 | January 28 | @ Phoenix | | Jason Terry (21) | Shawn Marion (8) | Jason Kidd (6) | US Airways Center17,855 | 30–16 |- bgcolor="#ffcccc" | 47 | January 30 | Portland | | Dirk Nowitzki (28) | Dirk Nowitzki (9) | Jason Kidd (10) | American Airlines Center20,078 | 30–17

|- bgcolor="#ffcccc" | 48 | February 1 | @ Utah | | Dirk Nowitzki (28) | Dirk Nowitzki (8) | Jason Kidd (9) | EnergySolutions Arena19,911 | 30–18 |- bgcolor="#bbffbb" | 49 | February 3 | Golden State | | Jason Terry (21) | Shawn Marion (9) | Jason Kidd (16) | American Airlines Center19,679 | 31–18 |- bgcolor="#ffcccc" | 50 | February 5 | Minnesota | | Dirk Nowitzki (21) | Erick Dampier (10) | Jason Kidd (7) | American Airlines Center20,034 | 31–19 |- bgcolor="#bbffbb" | 51 | February 8 | @ Golden State | | Jason Terry (36) | Drew Gooden (10) | Jason Kidd (12) | Oracle Arena17,015 | 32–19 |- bgcolor="#ffcccc" | 52 | February 9 | @ Denver | | Dirk Nowitzki (17) | Drew Gooden (6) | Jason Kidd (5) | Pepsi Center17,485 | 32–20 |- bgcolor="#ffcccc" | 53 | February 16 | @ Oklahoma City | | Dirk Nowitzki (24) | Erick Dampier (13) | Dirk Nowitzki (6) | Ford Center18,203 | 32–21 |- bgcolor="#bbffbb" | 54 | February 17 | Phoenix | | Dirk Nowitzki (28) | Shawn Marion (10) | Jason Kidd (10) | American Airlines Center19,974 | 33–21 |- bgcolor="#bbffbb" | 55 | February 19 | @ Orlando | | Dirk Nowitzki (23) | Brendan Haywood (9) | Jason Kidd (8) | Amway Arena17,461 | 34–21 |- bgcolor="#bbffbb" | 56 | February 20 | Miami | | Dirk Nowitzki (28) | Brendan Haywood (11) | Jason Kidd (11) | American Airlines Center20,328 | 35–21 |- bgcolor="#bbffbb" | 57 | February 22 | Indiana | | Dirk Nowitzki (23) | Brendan Haywood (20) | Jason Kidd (7) | American Airlines Center19,585 | 36–21 |- bgcolor="#bbffbb" | 58 | February 24 | LA Lakers | | Dirk Nowitzki (31) | Dirk Nowitzki (9) | Jason Kidd (13) | American Airlines Center20,505 | 37–21 |- bgcolor="#bbffbb" | 59 | February 26 | @ Atlanta | | Dirk Nowitzki (37) | Jason Kidd (16) | Jason Kidd (17) | Philips Arena18,923 | 38–21 |- bgcolor="#bbffbb" | 60 | February 28 | New Orleans | | Dirk Nowitzki (36) | Jason Kidd (9) | José Juan Barea (9) | American Airlines Center19,911 | 39–21

|- bgcolor="#bbffbb" | 61 | March 1 | @ Charlotte | | Dirk Nowitzki (27) | Dirk Nowitzki (13) | Jason Kidd (7) | Time Warner Cable Arena15,691 | 40–21 |- bgcolor="#bbffbb" | 62 | March 3 | Minnesota | | Jason Terry (26) | Shawn Marion (7) | Jason Terry (5) | American Airlines Center19,511 | 41–21 |- bgcolor="#bbffbb" | 63 | March 5 | Sacramento | | Dirk Nowitzki (31) | Dirk Nowitzki (12) | Jason Kidd (12) | American Airlines Center19,954 | 42–21 |- bgcolor="#bbffbb" | 64 | March 6 | @ Chicago | | Dirk Nowitzki (27) | Jason Kidd (11) | Jason Kidd (15) | United Center21,737 | 43–21 |- bgcolor="#bbffbb" | 65 | March 8 | @ Minnesota | | Shawn Marion (29) | Shawn Marion (14) | Jason Kidd (9) | Target Center14,007 | 44–21 |- bgcolor="#bbffbb" | 66 | March 10 | New Jersey | | Jason Kidd (20) | Shawn Marion (13) | Jason Kidd (9) | American Airlines Center19,770 | 45–21 |- bgcolor="#ffcccc" | 67 | March 13 | NY Knicks | | Dirk Nowitzki (20) | Dirk Nowitzki (12) | Jason Kidd (6) | American Airlines Center20,224 | 45–22 |- bgcolor="#bbffbb" | 68 | March 17 | Chicago | | Caron Butler (27) | Dirk Nowitzki (7) | Dirk Nowitzki (5) | American Airlines Center20,406 | 46–22 |- bgcolor="#ffcccc" | 69 | March 20 | Boston | | Dirk Nowitzki (28) | Jason Kidd (6) | Jason Kidd (9) | American Airlines Center20,488 | 46–23 |- bgcolor="#ffcccc" | 70 | March 22