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New quarterback Kevin Kolb and most of the rest of the first unit probably will play into the third quarter against the Chargers, then see very little action in the preseason finale next Thursday night against Denver.

Whisenhunt thought his team was a bit sloppy in last weekend’s 28-20 loss at Green Bay, and he aims for better execution on Saturday night.

“You’ve got to be careful about how much emphasis you put on what’s going to happen in this game,” he said. “We want to play well and we want to win, there’s no question like that, but you’ve got to realize too that we’re going to do some things in this game that we’ve never done in live action before. If we can get better from a penalty standpoint, from a mistake standpoint, then we’ve gotten better as a team, and that’s what we’re trying to do.”

Whisenhunt called the final camp practice “better than I expected.”

“I thought we’d have a lot of guys that already had their cars running,” he said, “but they worked. The tempo was good and they paid attention to detail, which is good. That’s a good sign. Hopefully that will show up Saturday night.”

Whisenhunt didn’t seem pleased at all with the team’s Wednesday afternoon workout, but he said his protestations were mainly an act.

“I think I was just trying to set the tone to make sure we had a good one today,” he said. “Today’s practice was OK. Especially with all these new guys, you can’t ever let them know you’re pleased with anything.”