Day 2 of training camp is in the books for the Arizona Cardinals. Here are my observations from practice:

Health

Unlike Friday’s practice when right end Jermaine Gresham and cornerback Mike Jenkins both left the field with injuries, it appears no one suffered any injuries. It is quite possible there are some bumps or bruises we find out about tomorrow, but, for now, it appears no one else went down.

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Rotation changes

There were some players swapped around for Saturday’s practice, seemingly for competition purposes. At safety, it was D.J. Swearinger and Tony Jefferson as the starters in the team’s base defense. On Friday it was Tyvon Branch and Jefferson. Branch still came in to play in the slot in nickel downs, but it appears Branch and Swearinger are in competition for one starting job, while Jefferson appears to have one spot set for now. Of course, if Branch and Swearinger enter tomorrow as the base safeties, the story will slightly change.

On the offensive line, it was Taylor Boggs, not rookie Evan Boehm, taking second team snaps at center. Boehm was with the second unit on Friday.

At guard on the second unit, Antoine McClain and Earl Watford swapped sides. On Friday, McClain played left guard and Watford right guard. Watford was at left guard and McClain on the right on Saturday. Considering how much coach Bruce Arians preaches versatility, it was just a way to get them both practicing different sides.

Watford also got a little first team work. He was the center for seven-on-seven drills. Again, this was for versatility. A.Q. Shipley has the starting center position all but locked up right now.

At cornerback, Cariel Brooks got some reps in with the first team defense in place of Patrick Peterson. This, of course, had nothing to do with Peterson and his job. Either Peterson is being limited or the coaches want to give Brooks some reps to compete with rookie Brandon Williams, who mans the other side for now while Justin Bethel recovers from his foot injury.

Momah, not Niklas

With Jermaine Gresham currently sidelined with a hamstring injury, it was Ifeanyi Momah starting as the second tight end on the first team with Darren Fells. It was not Troy Niklas, who most would have expected. It is only Day 2 of camp, but that does tell us something early on about where Niklas stands.

Interceptions

There were a few picked off passes.

Outside linebacker Markus Golden picked off a pass that bounced off Ifeanyi Momah’s hands. Tyrequek Zimmerman picked off Matt Barkley. Shaun Prater picked off Drew Stanton. Rookie Brandon Williams picked off Carson Palmer in the end zone.

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Receiver highlights and drops

As practice goes, there were some great plays and some mistakes. John Brown, who dropped a few balls on Friday, had a good practice, including a catch on a downfield throw near the sideline with Patrick Peterson draped all over him.

Jaxon Shipley also made an impressive catch near the sideline on a pass from Drew Stanton.

J.J. Nelson was having a fine practice, but dropped two passes late he should have had. One provided some sideline humor. One reporter noted how Nelson had been practicing well. Within seconds, Nelson dropped a pass.

Williams continued to shine

Rookie Brandon Williams, who only became a cornerback last year, looked good once again. Running with the first team, he got his hands on some balls and had a late interception. While he is inexperienced and surely will have growing pains, he is showing he perhaps will be more ready than anyone thought.