The Atlanta Hawks have signed guard Jeremy Richardson for the remainder of the season, effective March 9, according to Executive Vice President/General Manager Billy Knight. Richardson, signed earlier to two 10-day contracts with Atlanta, has appeared in nine games with the Hawks, averaging 3.0 ppg (.478 FG%, .556 3FG%) in 6.6 mpg. Richardson has also seen action earlier this season with Memphis (three contests) and San Antonio (five games).