Hawks center Jason Collins had an MRI on his sprained left elbow Friday. While the team waits for the results, coach Larry Drew ruled Collins out for Saturday’s home game against the 76ers.

It also appears that one possibility for big man help – free agent Kenyon Martin – won’t be joining the Hawks.

“He won’t be ready tomorrow, that’s for sure,” Drew said of Collins. “Hopefully he won’t be out too long because right now we are looking at Zaza [Pachulia] as our 5 and Ivan Johnson as our backup 5. We are a little depleted in the big man area. Hopefully he won’t be gone too long.”

Collins did not practice Friday. However, it did arrive at the arena as practice was ending. He said he felt “better.”

Collins was injured in the first quarter of Thursday’s blowout loss to the Grizzlies. His left arm was pinned under the Grizzlies’ Dante Cunningham while on the floor after a loose ball.

The injury leaves the Hawks with only one center in Pachulia. Johnson was forced to backup at the