Pope, a former Denver Bronco, was challenging Dewayne Robertson for the starting nose tackle job.
So why did he pack it in?
"He left for personal reasons," said Jets coach Eric Mangini. "I think each guy has to make their own decisions and he made a decision for whatever reasons he had and it’s just part of the process."
It's been very hot the first few days of training camp, which can be quite taxing on 300-pound linemen. It's common for some big guys to quit NFL teams early in two-a-days.