OXNARD, Calif. -- The Cowboys have 18 players nursing injuries heading into the Blue and White scrimmage Sunday afternoon.

Of those players, seven are projected starters and two are backups who will get extensive playing time such as Mike Jenkins and John Phillips.

"I think injuries are a part of NFL training camps and they've always been a part of NFL training camps and I think sometimes when you have injuries at certain positions that becomes that rash and that bad luck thing that we're talking about the other day," coach Jason Garrett said. "Certainly in the interior of the offensive line we've had different guys get banged up in different ways and you just have to manage it and make the most of your next best decision as a coaching staff as to how to bring these guys back and who we replace them with."

The injuries forced the Cowboys to bring in some players for workouts.

It also makes Sunday's scrimmage a little more interesting in terms of the younger players who are injured. This is their first major chance to impress the coaches and scouts, but with them out, it allows someone else to get valuable snaps.

Garrett and his staff will have to juggle snaps for some veteran and first-and-second year players because of the injuries.

"It impacts it a great deal," Garrett said. "It's a situational day for most of the veteran players and really the essence of this thing in terms of why we call it a Blue-White scrimmage is to get the younger guys a chance to play contact football and tackle to the ground. We reassessed it and we're thinning out some of the periods, we're taking out a couple of periods, the structure will be the same, we're just trying to limit some of the reps."

Some updates on the injured:

*Miles Austin will miss about a week with his hamstring injury.
*Phillip Tanner went to Dallas to get surgery on his broken hand.
*Kevin Kowalski (ankle) and Bill Nagy (ankle) will be out for a couple of weeks.
*Nate Livings (hamstring) needs another week before he can return.
*Mackenzy Bernadeau (knee and hip) could return next week.
*Danny Coale (foot) should be ready early next week.
*Anthony Spencer (hamstring), Jason Hatcher (hamstring) Lance Dunbar (hamstring), Matt Johnson (hamstring) John Phillips (ankle), Teddy Williams (concussion) and Marcus Spears (concussion) are day-to-day.
*Saalim Hakim (hand) will be at least a week.
*Mike Jenkins is headed to Florida to visit Dr. James Andrews to get his shoulder re-examined.
*Morris Claiborne (knee) is out for at least a week.
*Jay Ratliff (foot) gets work in walkthoughs but not practices.