Doc Rivers had been the head coach of the Celtics for nine seasons when it was announced on June 23 that the Celtics had agreed to release him from his current coaching contract to become the head coach of the Los Angeles Clippers, who gave the Celtics a first-round draft pick in return.
Rivers, who took over the Celtics job in 2004-05, is regarded as one of the most successful coaches in Celtics history, bringing the Celtics to the playoffs in all but two of his seasons as head coach, including winning the Eastern Conference Championship twice and the NBA Finals once.
Rivers coached the Orlando Magic for five seasons prior to being hired by the Celtics, winning the award for NBA Coach of the Year in 2000. He has coached two NBA All-Star games, in 2008 and 2011, and had a winning percentage of .577 in his nine years coaching Boston.
His 416 career regular season victories is third on the all-time Celtics coaching lists, behind just Red Auerbach and Tommy Heinsohn, and his 59 playoffs wins is also third in Celtics history, behind Auerbach and K.C. Jones.