WASHINGTON — The Washington Wizards have acquired center DeJuan Blair in a sign-and-trade deal with the Dallas Mavericks.

The 6-foot-7 Blair averaged 6.4 points and 4.7 rebounds in 78 games in his only season with Dallas. He spent his first four seasons with San Antonio and has career averages of 7.5 points and 5.6 rebounds.

Dallas obtained the rights to Emir Preldzic in Tuesday’s trade. The 6-9 Preldzic was selected by Phoenix with the 57th overall pick in the 2009 draft.