Neither player has played in the first two regular-season games for Tennessee.
Otto has been out since preseason after having surgery on his right hand and then also having his right knee scoped.
Ringer missed the first two games after developing an infection in his elbow a couple of days before the season opener against the New England Patriots. He spent four days in the hospital.
As for other Titans on the injury report, starting middle linebacker Colin McCarthy missed another practice with his sprained ankle, while guard Leroy Harris sat out to rest his sore knee.