One day after their season ended at the hands of the Brooklyn Nets, the Celtics are making some big changes. Danny Ainge is stepping down as president of basketball operations after nearly 20 years in Boston's front office, and head coach Brad Stevens is being promoted to replace him. That means the Celtics will have to find a new head coach, and there already some names being mentioned as potential candidates. While Boston boasts a strong young core in Jayson Tatum and Jaylen Brown, upgrades are needed elsewhere on the roster to get the team back on track as one of the top contenders in the East. What moves do you think the Celtics should make this offseason? --------------------------------------------------------------------------------------------------------------------------- Follow SI on all social channels! Twitter: https://buff.ly/2Pf9t9e Facebook: https://buff.ly/3l3ziFu Instagram: https://buff.ly/3oZia6i TikTok: https://buff.ly/3wGhuFc Subscribe to SI today for access to the biggest teams, the boldest names, and the legendary stories that only we can deliver: https://buff.ly/34iPNWS