Boston Celtics star Isaiah Thomas will be playing with a heavy heart Sunday in game 1 of the Celtic's playoff game against the Chicago Bulls. If he plays at all.

According to Bleacher Report, the all star gaurds sister, Chyna J.Thomas, 22, was pronounced dead at the scene in a single-car accident Saturday morning in Federal Way, Washington after the 1998 Toyota Camry she was driving careened into a barrier after the car drifted into the shoulder.

No other details were provided.