Who did the Celtics draft between won-lost seasons of 29-53 and 61-21?

Between the won-lost seasons of 29-53 in 2006-07 and 61-21 in 2007-08, the Boston Celtics drafted Jeff Green as the fifth overall pick in the 2007 NBA Draft. Green was selected as part of a rebuilding strategy that ultimately contributed to the team's success in the following season. The Celtics also acquired Ray Allen and Kevin Garnett during that offseason, which helped form the core of the championship team.