Dallas Mavericks (2000–2004)

He saw significant action as a member of the Dallas Mavericks in 2000–01 and 2001–02, but recurrent knee injuries limited his action in his last two years in Dallas.

He coached at the first-ever Basketball Without Borders Americas tournament in Rio de Janeiro, Brazil, during the 2004 NBA Summer of Goodwill.^[4]

Golden State Warriors (2004–2005)

On August 24, 2004, Nájera was traded along with Luis Flores, Christian Laettner, Mladen Sekularac, cash, a 2007 first round draft pick, and another future first round draft pick to the Golden State Warriors in exchange for Erick Dampier, Dan Dickau, Evan Eschmeyer, and Steve Logan.^[5] In Golden State, Najera again put in modest minutes and was a solid contributor.

Denver Nuggets (2005–2008)

On February 24, 2005, Nájera was then sent to the Denver Nuggets along with Luis Flores and a future first-round pick in exchange for Nikoloz Tskitishvili and Rodney White, where he would have some of his most productive seasons as an NBA player.^[6]

Also in 2006, an exhibition match was played in Monterrey, Mexico, between the Golden State Warriors and the Denver Nuggets.

On April 27, 2006, Nájera started his first playoff game for the Nuggets in Game 3 of their first round series facing the Los Angeles Clippers. He replaced Kenyon Martin who was suspended indefinitely for "conduct detrimental to the team".

He was partly involved in the December 2006 Knicks–Nuggets brawl. While not involved in the actual fighting, he did try to separate the players. He was ejected from the game for leaving the bench.^[7]

New Jersey Nets (2008–2010)

On July 11, 2008, Nájera signed a contract with the New Jersey Nets for 4 years $12 million.^[8][9] He stated that he would make it a point to turn the Nets' young forwards Yi Jianlian and Ryan Anderson and center Brook Lopez into stronger, tougher players. Nájera turned down more money and a chance to return to his college state, Oklahoma City Thunder. He also turned down an offer from the New Orleans Hornets in order to take a chance to lead a young and talented New Orleans team.

Return to Dallas (2010–2011)

On January 11, 2010, Nájera was traded to the Dallas Mavericks for Kris Humphries and Shawne Williams.^[10]

Charlotte Bobcats (2010–2012)

On July 13, 2010, Nájera was traded to the Charlotte Bobcats along with Erick Dampier and Matt Carroll in exchange for Tyson Chandler and Alexis Ajinça.^[11] Nájera's final NBA game ever was played on April 6, 2012, in a 90–95 loss to the Milwaukee Bucks where he only played for two minutes and recorded no stats, suffering a career-ending facial injury.^[12]

Regular season

Playoffs

Career highs

• Points: 19: 2 times^[16]
• Rebounds: 15: vs. Houston 04/11/02
• Assists: 7: @ Milwaukee 01/09/09
• Steals: 6: 2 times
• Blocks: 4: vs. Seattle 12/29/05