2015 NFL training camp: 10 observations from Arizona Cardinals' Sunday practice

Two days of training camp practices are in the books. It was a smaller crowd than on Saturday and a little less spirited. So what could we see in practice number two?

David Johnson hurt:

Third round pick David Johnson made an impressive play, getting to the edge and having a lot of room to run with no one to get to him, but then he came up gimpy. He left the field with trainers.

A switch at safety:

After Saturday had Rashad Johnson and Deone Bucannon as the two "starting" safeties, Sunday had a switch. It was Tyrann Mathieu and Tony Jefferson with the first team. It appears that will be the way they go until there is a rotation figured out.

Where is Justin Bethel?

Bethel continued to be one of the two outside corners for the second team, but there was one thing I noticed. Last season, in the dozen or so times the defense went with seven defensive backs, Bethel was that defensive back. At practice, it was safety Chris Clemons, a player the team signed late last season. He has been in the league since 2009 and started every game at safety for the Dolphins in 2012 and 2013. He could be an interesting player to watch.

Michael Floyd has been working Jerraud Powers:

Both Saturday and Sunday showed the matchup of Powers covering Floyd is a mismatch. Floyd scored another touchdown on him and has looked really good. He has dominated Powers. I'm not sure which is better to see -- Powers get beat by Floyd  a lot or Floyd not looking good against Powers. Considering what we hope from Floyd, this is a good thing and maybe a small concern about Powers against bigger receivers.

Brittan Golden showed up:

Golden scored two touchdowns on very nice catches in the end zone on throws from Drew Stanton. He also made a really nice play deep down the sideline. After J.J. Nelson impressed on Saturday, Golden made sure to show up Sunday.

A position switch?

For the second day in a row, there was a bit of Matt Shaughnessy at outside linebacker after having been moved to defensive end in the offseason. He did get some snaps at end as well. but the surprise to me was seeing Josh Mauro, a defensive end, playing outside linebacker, lining up on the edge and even standing up. It was a different look.

More rotations at OLB:

The defense rotated in a few more guys at outside linebackers. Yes, the "ones" were Alex Okafor and Lorenzo Alexander, but Shaughnessy, Markus Golden and LaMarr Woodley got some reps with the "ones."

Demens with an opportunity:

With Sean Weatherspoon out with a hamstring injury, it was Kenny Demens with the first team defense alongside Kevin Minter. Don't be too concerned about "Spoon's" injury. He left the field walking very quickly and without any sort of limp. It is worth noting here that Minter has been moving around really well.

QB3 update:

Logan Thomas was the clear third stringer, but on Sunday, Phillip Sims got snaps instead of Chandler Harnish. It looks like those guys will swap days.

Pads coming Monday, some excited, some not:

The players will practice in pads on Monday. Michael Floyd, when asked about it, said it wasn't all that great. The first hits are good and the noise goes up, but by the second day, "it's back to hating training camp." Rashad Johnson, on the other hand, was excited to legally hit people and made fun of Floyd and his comment when reporters told him about them. Johnson said it was typical for a receiver to say that.

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I won't be at practice personally again until Saturday, when it is Fan Fest, so that will do it until next week for actual personal observations.