"Obviously that’s our brother, and you hate to see him go down." The post Jayson Tatum’s Celtics teammates express shock, resolve after serious injury appeared first on Boston.com.

The 1980s Celtics’ championship window closed with injuries to Kevin McHale’s foot and Larry Bird’s back. The 2008 championship core missed a chance for more when Kevin Garnett was injured in 2009 and Kendrick Perkins went down in 2010.