Three injured offensive linemen returned to practice Tuesday for Auburn.

Center Casey Dunn, left guard Mike Horton and right tackle Darius James were all dressed out and participated in a "limited fashion," coach Gus Malzahn said Wednesday. Dunn and Horton missed last week's game against Arkansas, while James was carted off with a leg injury in the second half.

"So far, so good," Malzahn said. "Everybody's out there with their pads on and all that, but we're going to be extremely smart with them this week."

Dunn did not travel with the team to Arkansas while dealing with an undisclosed injury he sustained against LSU. Horton traveled and was a game-time decision but did not play while still recovering from an ankle injury he sustained in the third quarter against Ole Miss on Oct. 7. Malzahn said after the game that Horton probably could have played in an emergency situation against the Razorbacks.

James went down with an injury in the second half against Arkansas and was carted off the field. He underwent X-rays on his leg, which came back negative.

All three will use the bye week to recover in hopes of returning for the stretch run in November, starting with the Tigers' Nov. 4 trip to Texas A&M.

"This week we're going to, like I said, make sure that we're healthy, make sure there's no tweaks and stuff like that," Malzahn said. "You know Sunday, when we get to Sunday I'll know a lot more."

With the string of injuries up front, Auburn had to start its fourth different offensive line in five games against Arkansas. The Tigers went with Prince Tega Wanogho Jr. at left tackle, Marquel Harrell at left guard, Austin Golson at center, Braden Smith at right guard and James at right tackle. That unit helped spur Auburn's highest offensive output of the season, totaling 51 points and 629 yards of offense, including 345 rushing yards and 7.3 yards per rush attempt.

It also marked the first time this season that Auburn's offensive line did not allow a sack. Malzahn was pleased with the unit, particularly Harrell, who made his first career start.

"I think Marquel did a very good job for his first start, and he executed well," Malzahn said. "This has been a pretty unique year form the standpoint of we've never had this many different lineups up front, and I think it's really a tribute to the guys up front and the depth that we're able to execute at a pretty high level with different lineups and different combinations."

Tom Green is an Auburn beat reporter for Alabama Media Group. Follow him on Twitter @Tomas_Verde.