EAST RUTHERFORD, N.J. – The speed and intensity of NFL preseason games hasn't changed much in the last 11 years, but David Carr's attitude about them has.

Carr's first-ever pro game was against the Giants, in the 2002 Hall of Fame Game, when he was under tremendous scrutiny as the first overall draft choice of the Houston Texans. Now he's competing with Curtis Painter to be Eli Manning's backup for the fifth time in six years.

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"Preseason has gone from getting myself ready, trying to learn an offense, learning how to play in the NFL, to really just managing the chaos," Carr said today. "Practice is so chill and guys are so relaxed and you can call the plays, you get time to line guys up. When you get in the game, you've got some young guys in there sometimes, you've got some heads spinning, you've got things moving faster and you, as a quarterback, are in control of that chaos, as best as you can. Things are going to get elevated, coaches are going to get excited, players are going to get excited, you have to just stay as even as possible and try to do your job."

Coach Tom Coughlin announced today that Carr will get the second-team snaps on Sunday, when the Giants host the Indianapolis Colts in a nationally-televised preseason game. Painter won't play. When the Giants face the Jets next week, Painter will be the backup and Carr will sit. Rookie Ryan Nassib will continue to play with the third team.

Carr said he feels no different about this preseason game, knowing it will be his last playing time before the first roster cuts, than he did when the job was clearly his.

"It's the same," he said. "It will probably make a good story, but for me, I just try to go out and just do what I do, lean on my experience, lean on the guys around me, try to make some plays for our team and the rest is in God's hands."

Carr, who threw three passes in the 2012 regular season, completed seven of 11 throws in the Giants' victory last week in Pittsburgh.

Now 34 and beginning his 12th NFL season, Carr is older and vastly more experienced than the youngsters who populate the second-team offense. He enjoys being cast as the wise veteran.

"I kind of like the preseason because I feel like a lot of guys are counting on you," Carr said. "You realize, as a teammate, these guys are trying to make a team, we're all trying to go out there and be part of a squad. So I'm just trying to do my part and trying to help them out.

"I try and teach as much as I can and then, kind of while I'm doing that, I'm coaching them on what to do. I'm learning and I'm picking things up that, over the offseason, I have not forgotten but things that need to be jogged back to memory."

Carr said his goals are much more clinical and narrow than securing the job as No. 2 quarterback.

"It's more reads for me, more seeing the defenses and seeing the coverages, because practice and games are different speed," Carr said. "In practice, guys are moving a certain direction. It's really about my eyes. I just train my eyes to make sure that I'm seeing things and picking things up. What I'm looking for in the preseason is, am I seeing everything that I think I'm seeing, am I making the reads and making the throw and when I go to the sidelines, is that actually happening? That's how I judge myself."

QUICK HITS >>

• Coughlin said the starters will get approximately 20 snaps and the second team "will play 25 or so." The third group will get the rest.

• Tight end Larry Donnell was carted off the field after suffering a knee injury. Donnell leaped for a Painter pass, landed awkwardly and immediately grabbed his left knee. Coughlin said Donnell was undergoing tests to determine the severity of the injury.

• Cornerback Corey Webster did not practice. He worked Wednesday after missing practices early in the week because of soreness. "Now he's back over here," Coughlin said. "I think it's day-to-day." Asked if Webster will play on Sunday, Coughlin said, "Hopefully."

• Safety Antrel Rolle (ankle), defensive end Damontre Moore (shoulder), running back Da'Rel Scott (shoulder), safety Cooper Taylor (hamstring) and guard Chris DeGeare (ankle) did not practice.

• Camp Attendance: 2,247 on Wednesday and 2,314 today, the second-largest crowd of training camp.

• To provide a safer environment for the public while attending Giants games at MetLife Stadium, the team announced today an NFL policy that limits the size and types of bags and purses that may be brought into the stadium.

The NFL Committee on Stadium Security in May unanimously recommended the implementation of this measure to continue to enhance public safety. It was discussed with all clubs at the May league meeting and will be implemented at all NFL stadiums this preseason.

The Giants strongly encourage fans to not bring any type of bags, but outlined today what is permissible. Fans will be able to carry the following style and size bags into the stadium:

--One bag that is clear plastic, vinyl or PVC and does not exceed 12" x 6" x 12.", OR
--A one-gallon clear plastic freezer bag (Ziploc bag or similar) AND
--In addition to one of the clear bags noted above, fans may also carry in a small clutch bag, approximately the size of a hand, with or without a handle or strap.
--An exception will be made for medically necessary items after proper inspection at the Stadium entry gates.

Prohibited items include, but are not limited to: purses larger than a clutch bag, coolers, briefcases, backpacks, fanny packs, cinch bags, luggage of any kind, seat cushions, computer bags, camera bags, binocular cases or any bag larger than the permissible size.*

Please Note: The Giants distributed team logo clear bags (12"x6"x12"), which meet the NFL's new carry-in policy specifications, to their season ticket holders. Each season ticket holder received one bag for every two tickets on their respective account.*

For additional information, go to giants.com/carryinpolicy

• HBO will premiere "Glickman," the documentary of longtime Giants announcer, Olympian and broadcast pioneer Marty Glickman on Monday Aug. 26 at 9 p.m. Executive produced by Martin Scorsese and written, produced and directed by his longtime radio producer James L. Freedman, "Glickman" will take fans through the Brooklyn native's amazing life, from his time at James Madison High School through his experience being denied a chance because of his Jewish roots to participate in the Berlin Olympics to his work creating and implementing many of the techniques used in broadcasting today. The longtime voice of the Knicks as well as the Giants, Glickman also served as mentor to some of sports broadcasting's biggest names, from Marv Albert and Bob Costas to current Giants voice Bob Papa and many others.  With stories by Jerry Stiller, Larry King, Frank Gifford and many others, it is a unique look back into the life of a sports pioneer and a New York legend.  For more information, visit Facebook: facebook.com/hbodocs; and Twitter: @HBODocs and @GlickmanTheFilm.