SI's Chris Mannix and Brian Scalabrine debate whether Jayson Tatum and Jaylen Brown can be the foundation of a championship Celtics team, whether it's time to blow it up in Portland, what the Sixers should do with Ben Simmons and more. #NBA #Celtics --------------------------------------------------------------------------------------------------------------------------- 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