Isaiah Jackson enters concussion protocol after unlucky sequence against Grizzlies

He did not travel to Houston on Thursday and will miss some time, Pacers coach Rick Carlisle said.

Jalen Smith helps Isaiah Jackson after an unfortunate sequence on the court. (Photo: BSI)

Pacers rookie center Isaiah Jackson has entered the NBA’s concussion protocol and did not accompany the team to Houston on Thursday.

“He’s gonna miss some time, unsure how long,” head coach Rick Carlisle said after practice. “He’s doing better today.”

The incident occ…