Let's get to work

Tyson Chandler's defense will be a valuable commodity in this free-agent class. Sam Forencich/NBAE/Getty Images

In a three-part series, Chris Palmer examines the needs of all 30 teams. Monday he discusses the teams that are heading in the right direction but still have a lot of work to do. Whether it's a starting small forward or a backup center, these teams are looking for the pieces that can take them to the next level.