The team said he is out indefinitely.
He checked out of the game with 1:43 remaining in the quarter and had to be helped off the pitch into the Suns locker room, where he rebounded and missed in two minutes.
The five-year veteran reached the final with an average of 4.8 points and 2.6 rebounds in 11.1 minutes per game during the Sun’s postseason run.
Craig was a regular part of the game rotation, but Kaminsky didn’t see much time in the postseason.
Dave McMenamin of ESPN and The Associated Press contributed to this report.