Gordon Hayward suffered a gruesome leg injury during the first quarter of his regular season debut with the Boston Celtics. Hayward was diagnosed initially with a fractured left ankle and broken tibia.

Hayward landed awkwardly and the severity of his injury was immediately apparent.

The game was delayed for several minutes as Hayward was stretchered off the floor.

Hayward signed a four-year max contract with the Celtics in the offseason.