In July 2013, Pierce was traded to the Brooklyn Nets along with teammates Kevin Garnett and Jason Terry. He signed with the Washington Wizards as a free agent in 2014. After one season with the Wizards, Pierce signed with the Los Angeles Clippers, reuniting him with former Celtics head coach Doc Rivers. He spent two seasons with the Clippers before retiring in 2017. On July 17, 2017, the Celtics signed Pierce to a contract, enabling him to retire as a member of the organization with which he spent his first 15 NBA seasons.