The offensive line is in shambles as the season nears its halfway Mookie Wilson Jersey point, even though significant help is on the way. Dallas activated tackle Cam Erving from injured reserve Saturday, and the veteran is expected to start at left tackle for the Week 7 matchup against the Washington Football Team, .Erving, who was signed Jed Lowrie Jersey to back up , has been out since the season opener with an MCL sprain, playing only two snaps all year. , who started four games for Dallas this season, was placed on injured reserve after undergoing arthroscopic knee surgery earlier this week.Erving mi sed most of training camp with a personal i sue before being demoted on the depth chart Neil Walker Jersey in favor of . With the knee injury healed, Erving returned to practice this week and worked with the first-team offense. Erving has started 42 games in his six-year career with the and , playing all five positions on the offensive line.Erving will be the third left tackle Juan Lagares Jersey to start a game this season for the Cowboys, who have been hampered by injuries on the offensive line. Smith and are on injured reserve and are out for the year. Starting center is also currently on injured reserve with a knee i sue, but he is expected back later this year. The Cowboys will also not David Wright Jersey have All-Pro guard against Washington, as he is out with a concu sion. Dallas' projected offensive line Sunday is as follows: Erving, , , , Terence Steele. Williams is the only starter remaining from the opening week.