 Rawleigh Williams has a million dollar smile. And it was in top form Tuesday after Arkansas put on full pads for the first time in fall camp.

The sophomore running back is trying to return from neck surgery that ended his season after the Auburn game last year. He did not have any contact in spring drills. But he did Tuesday.

"I didn't get tackled to the ground, but I did get hit today," he said. "I'm not going to say I'm relieved because I felt like I was healed and fine. But I know it now. Mentally, I knew I was fine. I've been playing football for 15 years and I know now that I'm going to keep playing."

Rawleigh Williams on going through everything in full pads, young RBs + more Rawleigh Williams on going through everything in full pads, young RBs + more. (By Jimmy Carter)

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And with that, Williams lit up the room with that smile. He said there are more tests to come, like Saturday's scrimmage when he expects to be tackled to the ground.

"We thudded it up today, stop after the whistle," he said. "But I will say that I took a pretty good hit from Santos Ramirez today. He didn't take me to the ground. He let me go. But he hit me pretty good. And I hit some people pretty good.

"We were in pass protection and that's hitting. I had to chip block on Deatrich Wise. That's a big chore. I hit him and I hit him good. I feel good about that. I can deliver a blow and I can take one. And I look forward to getting taken to the ground in Saturday's scrimmage. That will be fine, too. I'm ready."

All of that will lead to a fun phone call tonight. Williams will phone his mom to tell her something.

"She will be happy," Williams said. "I will tell her God is good. I'm healed."

Second-team quarterback Rafe Peavey feels the same way. He had minor back surgery over the summer. He's not fully recovered, but he doesn't feel limited, either.

"I'm making every throw," Peavey said. "I can throw the deep ones, all of the throws. I don't feel limited in any way. I'm still getting stronger and I'm not exactly where I was before the surgery. But I don't think there is anything holding me back and I feel good. I did everything in every period today."

There were some more changes with the first-team offensive line on Tuesday. Dan Skipper moved to left tackle, Zach Rogers took the first team snaps at right guard and Brian Wallace was at right tackle. Frank Ragnow was the center and Hjalte Froholdt was at left guard.

Froholdt has been the constant since the first day of spring. He's taken every snap at left guard with the first team for the 20th straight practice.

Ragnow said there could be more shuffling up front as head coach Bret Bielema and new line coach Kurt Anderson are looking for the best five-man combination up front. They are also thinking about "what ifs" in case injuries hit in the season. Who can play where with whom?

"I think that's part of it," Ragnow said. "They want to look at combinations, chemistry. You have to move people around. You look at a group in pass protection. You have to check them in blitz pickup, too. And then in the running game. There are different periods in different days, so it requires some movement to check against all of that.

"I'm not the coach. What we have is a genius at work. He's going to figure it out. I know we have a great, great coach working us in the offensive line. He's got eager guys and talent. He'll get it right and then we will go with it.

"We've done a lot of different looks so far and each one has something that it does really well. It's just figuring it all out and we will get that done. I think there is plenty of time and I know our coaches are going to get it right. Coach (Bret) Bielema has done this before and he's going to get it right. He always does."

Ragnow was talking about Anderson. He's growing fond of his new coach.

"He's very good," Ragnow said. "I love him. He's getting us doing it right and we are getting better every day. I thought we were pretty good today. I think the group he had out there today had a good day."

Ragnow loves Froholdt. He's the sophomore from Denmark making the switch from nose tackle to left guard. It's gone well.

"I think you see him do some things that are unbelievable," Ragnow said. "I think he's getting to the point that he's really good. He has the natural hip explosion that is pretty good, something you don't see a lot. When he drops his hip and punches, he can pop someone and do some great things. You saw it again today. He gets someone and he drives them. It's pretty incredible. It's a special ability.

"I will say that we have to get one thing out of him. Sometimes he gets pissed and he reverts to Danish. He did that again today. I have to grab him and say, 'Talk in English.' He does it for one play. But he's pretty good in Danish. When he's mad like that, he can do pretty well. He might do it for a play and then we have to get his brain back to thinking in English."

Froholdt heard that across the room. The guy coaches call "Great Dane" said it was pretty rare when he forgets to talk in English.

"It's mainly when I'm cursing," he said. "I curse in Danish. No one understands me except maybe Coach Anderson. He has that Viking in him and maybe he understands some of it. But not much. Yes, I do curse in Danish. I was upset once today and let some things fly. But Frank grabs me and gets me back to English."

The Hogs will practice twice on Wednesday with Bielema addressing the media after the morning workout. The night workout will consist of mainly kicking sessions with some scrimmage work with the youngsters.

Peavey did mention some of the young wide receivers. He said true freshman Kofi Boateng, Jordan Jones and D'Vone McClure have been bright spots in a crowded group of receivers.

"We have depth at that spot," Peavey said. "We have a lot of experience. But those freshmen are going to play and they may play quick. They are picking it up. They sure don't practice like freshmen."