"It's unfortunate because he worked very hard to get back from
the original injury," coach Bill Parcells said Sunday.
Parcells said the injury happened Saturday during the second
practice on the opening day of training camp, and Pierce finished
the workout before getting examined.
The 6-foot-5, 263-pound Pierce was going into his third season.
A solid blocker and special teams player, he was going to be relied
on more this season because the Cowboys plan to use more formations
with two tight ends.
Parcells said he wasn't sure whether Dallas would try finding a
"There's not too many guys available right now," he said.
In other health news Sunday, left tackle Flozell Adams was taken
off the physically unable to perform list and defensive end
Marcus Spears underwent arthroscopic surgery to fix cartilage damage in
his right knee.
Adams, who is coming back from knee surgery, couldn't pass a
conditioning test Friday. But after going through 86 50-yard
sprints and other drills on Saturday, the team felt he could handle
"He did quite a bit of work yesterday to everybody's
satisfaction," Parcells said. "[We] just wanted to give him a
good test and see if he was physically ready to do what we had
hoped he would do. And he worked hard in both practices, and
responded pretty well to it, so we're going to put him back on the