Quarterback Ryan Tannehill and the revamped offensive line remain the main storylines in Miami Dolphins training camp, and for the first time in a while things are relatively positive.

Friday's preseason opener at Atlanta will reveal much more even though the starters might not play very long.

The offensive line is close to finding its five starters. Left tackle Branden Albert and right tackle Ja'Wuan James are set. And it appears Daryn Colledge will start at left guard and newly-signed center Samson Satele is expected to go with the first team.

The big question is right guard, where Dallas Thomas, a third-round pick from last year, veteran Shelley Smith and rookie third-round pick Billy Turner are battling for the job.

And even after the starters are set, pass protection remains a huge concern. The Dolphins gave up a franchise-record 58 sacks last season and now they will have five new starters to open the season.