Anthony Spencer running on field

IRVING, Texas -- Anthony Spencer has started running on the field in his comeback from microfracture knee surgery, but the Dallas Cowboys' defensive end is not sure when he will be able to practice.

“It’s one thing to be able to run and then another whole thing to play football, so I’ve got a little ways to go,” Spencer said. “But it’s progress and that’s basically what I’ve been showing this whole time.”

Spencer acknowledged he could open training camp on the physically unable to perform list with only six weeks to go before the Cowboys report to Oxnard, California. If the Cowboys place him on active/PUP he could return to practice at any time during the summer and it would make him eligible for reserve/PUP when the final cuts are announced. If he is placed on reserve/PUP, he would miss the first six games.

Spencer, who signed a one-year deal with the Cowboys as a free agent, has run twice over the past seven days and has not felt any problems

“We’ve been doing it in a way that it’s not too sore after, and I’ve been able to come back and do some more stuff the next day, so we’re just progressing,” Spencer said.

Spencer had the surgery last fall. The normal recovery is 8-10 months with such an involved operation, and Spencer does not feel like it has gone too slow. He said he expects to start doing some change of direction and cutting in a few weeks.

He has no doubts he will play this season.

“Not from me,” he said. “I’m sure some other people have their doubts, but I don’t have any doubts, no.”