The AP (Charles Odum) reports: The Atlanta Hawks are making moves to keep together a roster that has made two straight playoff appearances. The Hawks have reached an agreement to re-sign center Zaza Pachulia to a four-year contract, a person with knowledge of the negotiations told The Associated Press on Wednesday. The person requested anonymity because the deal has not been announced. The agreement with Pachulia, who has been a starter or top backup for four seasons with the Hawks, comes one day after the team agreed to a three-year deal to re-sign starting point guard Mike Bibby.

UPDATE: The Hawks re-signed Mike Bibby and Pachulia.