Heat fall to Celtics in Summer League opener
JUL 05, 2014 10:17p ET
Ennis, who spent last season playing in Australia and Puerto Rico, added eight rebounds, while Justin Hamilton scored 13 points and pulled down nine rebounds.
First-round draft pick Shabazz Napier struggled, going just 3 of 15 from the field with eight turnovers.
Kelly Olynyk led the Celtics with 20 points and nine rebounds.