Offensive tackle Jared Gaither has bruising on the bottom of his foot, an injury that coach John Harbaugh called "nothing major.""He should be back here quickly," Harbaugh said.Gaither missed his fourth day of practice after being moved from left to right tackle earlier this month.According to Harbaugh, Gaither saw Dr. Robert Anderson, a renowned orthopedist from Charlotte, N.C., last week and was recently testing out orthotic insoles."They worked on some orthotics [Monday], and he wasn't comfortable with them," Harbaugh said.The Ravens moved Marshal Yanda from right guard to right tackle Tuesday and put Chris Chester at right guard. The team is also looking at Oniel Cousins at right tackle.For the latest Ravens news, follow Jamison Hensley on Twitter. Also, become a fan of Baltimore Sun Sports on Facebook.