Cowboys insiders David Moore, Brandon George, Jon Machota and Kate Hairopoulos share their daily practice observations through Twitter. Here are some highlights from Sunday.

Morning walk-through:

-Dez changed up his headgear for Sunday's walkthrough. This time: a bucket hat.

88 going with the camp bucket hat for morning walk-thru pic.twitter.com/5DEP06Rq1x — Jon Machota (@jonmachota) July 31, 2016

-Tony Romo didn't practice Sunday. Will likely follow 'two days on, one day off' schedule, per OC Scott Linehan.

-With Romo out, Kellen Moore took snaps with first-team offense. Dak Prescott with second.

Kellen Moore to Terrance Williams pic.twitter.com/VrvF3brp6r — Jon Machota (@jonmachota) July 31, 2016

-First-team front seven: DEs: Ryan Russell, Tank Lawrence. DTs: Terrell McClain, Tyrone Crawford. LBs: Sean Lee, Anthony Hitchens, Kyle Wilber

-Chaz Green worked with second-team offense at right tackle. Getting some praise from Jason Garrett.

-First-team base defense DBs: Orlando Scandrick, Brandon Carr, Barry Church and Byron Jones. Morris Claiborne worked in at nickel.

-DT Tyrone Crawford took Sunday night off to rest his shoulder. Orlando Scandrick and Dez Bryant will take days off training camp too.

-Cowboys players wearing "Arm In Arm" T-shirts in training camp:

Cowboys players already wearing "Arm In Arm" T-shirts in training camp. This was under Byron Jones' jersey today: pic.twitter.com/E2eRpipPt4 — Brandon George (@DMN_George) July 31, 2016

Evening practice:

The Cowboys practiced in front of 4,598 fans on Sunday, bringing the total attendance for the 2016 training camp thus far to 9,129. — Brandon George (@DMN_George) August 1, 2016

Watch how quickly Ezekiel Elliott hits the hole ... and this is a walk-through practice: pic.twitter.com/alMXk5UQ4W — Brandon George (@DMN_George) July 31, 2016

-RB coach Gary Brown rarely stops talking when players cycle through drills: "Quicker, Zeke, quicker!"

Cowboys RB coach Gary Brown: "It's going to cost you to be the best." pic.twitter.com/NGn4K5UdD4 — Jon Machota (@jonmachota) July 31, 2016

-Cowboys LBS coach Matt Eberflus spent a lot of time talking to LB Justin Durant while they stood behind drills. Catch-up time.

-Spirited fans:

Tony Romo is out watching practice. Fan yells out: we're not fat, just fluffy! To be fair, also a lot of "in Tony we trust!" — Kate Hairopoulos (@khairopoulos) July 31, 2016

Quotes:

-Elliott on allegations: "I'm not going to comment on anything regarding legal matters but I'm glad to be here to talk about football." Repeats line.

-Elliott on having top-selling NFL jersey since April: "I'm just grateful to be part of this organization, the best fans in sports."

Ezekiel Elliott on managing the high expectations: pic.twitter.com/ejykMQrPSk — Jon Machota (@jonmachota) August 1, 2016

-DE DeMarcus Lawrence finally addressed his four-game suspension. Said he apologized in front of his teammates. Jason Garrett: "It was important for him to acknowledge that. He's a good person... a good teammate."

-Lawrence: "I've got a chip on my shoulder. You've got to play like that when you know you let the team down for the first four [games]."

-Garrett: Players didn't know about players-police unity ceremony until after Saturday's walkthrough.

-Sean Lee: "I'm working to stay healthy [for a full season], working to play at a higher level. I expect more out of myself this year."

-No specific timetable for Darren McFadden's return [elbow]: "I'm just working, strengthening it and getting everything back together."

-Tyrone Crawford: "We're just gonna go into this year, keep moving forward, trying to shock the world with this D-line."