The Celtics worked on offensive and defensive plays with the 33-year-old 10-year veteran after the shootaround ended.
"I just feel like I can help this team a lot and feed off their energy," said Moore, who signed with the Celtics yesterday after clearing waivers. He was let go by the Kings last Thursday.
Ray also talks about Stephon.
"Stephon has been an extraordinary talent over his career," Allen said. "He can help us. It will be interesting when he gets here."