Ravens left tackle Bryant McKinnie was in a familiar place, back with the first-team offense.

But he was there not because he's back on the unit. Left guard Bobbie Williams missed practice to rest the ankle he broke last year, which prompted a bit of a shift on the line. McKinnie was at left tackle and rookie Kelechi Osemele, who was previously running at right tackle, moved to left guard.

Michael Oher moved back across the line to right tackle.

"I think it’s important to look at guys in different spots," coach John Harbaugh said. "In the end, it will pay off for us, because guys will be more versatile, and we want to make sure we don’t miss anything. So, we have an opportunity to do that now.”

Harbaugh said Williams will also rest Tuesday due to his ankle swelling. Williams, who played with Cincinnati last year, broke his right ankle during a loss to the Houston Texans last December.

"(Williams) really has been working hard, but he needs it and it will be good for him," Harbaugh said. "So now you have an opportunity with that spot to roll some guys in and move some guys around.”

Osemele prefers tackle: While Osemele moved to left guard in Monday's practice, it appears he feels more natural at tackle.

He's been primarily practicing at right tackle with the first team over the last couple of weeks. But assuming McKinnie regains his starting position and Oher permanently moves back to the right, Osemele will probably need to be prepared to play guard and tackle.

"I’m actually more comfortable at tackle in general," Osemele said. "So (moving to right tackle) has been a good move for me. I’m just trying to plug in there wherever I can and make the team better.

Asa Jackson's hamstring 'fine': Jackson, a rookie CB, had a solid outing last Thursday against Atlanta before tweaking his hamstring. Despite missing the past two practices, Jackson expressed confidence that he'll be ready to play this Friday against Detroit.

"I’m going to be fine," Jackson said. "Things happen, it’s football, you recover.”

Harbaugh doesn't have it anymore: Harbaugh, who played defensive back at Miami (Ohio), stepped in briefly at cornerback against receivers Deonte Thompson and Tandon Doss. He didn't fare so well. He was asked about it following practice.

"It fatigued me. My legs were burning," Harbaugh said, smiling. "Is that what you’re looking for? How did it actually feel physically? Oh, how did I feel about being back there? I felt embarrassed. That’s how I felt. They made me feel bad about myself."

Harbaugh added that general manager Ozzie Newsome gave him a "move-on-to-your-next-phase-of-life" grade on his performance.

Returning from injury: WR Tandon Doss (hamstring), CB Chykie Brown (hamstring) and OL Jah Reid (calf) returned to practice Monday. Reid stepped in at right tackle with the second team.

Injury report: WR Jacoby Jones (leg), WR David Reed (ACL), CB Asa Jackson (hamstring), LB Josh Bynes (vertebrae), LB Darryl Blackstock (groin), OLB Terrell Suggs (Achilles), LG Bobbie Williams (ankle), TE Ed Dickson (shoulder), WR Devin Goda (undisclosed), TE Dennis Pitta (hand), DE Pernell McPhee (knee) and DT Ryan McBean (broken ankle) missed practice.

Follow Ravens reporter Jason Butt on Twitter @CBSSportsNFLBAL.