How can the Celtics move forward without Gordon Hayward?

What does Gordon Hayward's injury mean for Kyrie Irving and the Celtics? Gregory Shamus/Getty Images

Six minutes into his Boston debut, All-Star wing Gordon Hayward suffered a horrific injury to his left ankle when he came down awkwardly while going up for an alley-oop. While Hayward's health is the main concern, the Celtics must now figure out how to replace one of the centerpieces of their offseason makeover.

How can Boston fill in for Hayward? And what impact will his injury have on its 2017-18 record? Let's take a look.