Doug Free wasn't a turnstile. The issue for him was that he would have those occasional bad games in pass pro and when you have Tyron, Fred and Martin on your O-Line, each of whom are easily top-3 players at their position...any subpar performance gets magnified. It also didn't help when he had that dreadful 2011 season, right after that big contract signing. That really hurt him in the eyes of many Cowboys fans.
His foot speed slowed down from 2010 to 2011 (he was very good in 2009 and 2010). That no longer made him LT worthy. They moved him back to RT in 2012 and that's a very large transition to make and he did a decent job. By 2013 he was very good. And he was a big reason for our running game success as he's a very good run blocker. In fact, the only reason why we don't run better going at RT is Tyron has difficulty at times doing his job on the backside of runs towards the RT.
I think Free was slowing down this year, but was still very effective. I can see why the Cowboys wanted him for another year. Personally, I would have liked to keep Leary and move Collins to RT, but Leary got a big contract from Denver and I have my doubts he will live up to that value. I thought Green looked good when he played this season. I think the idea that Green was 'only brought here to replace Parnell as the backup swing tackle' is ludicrous. The question for Green is can he stay healthy and for Collins is can he learn to pick up stunts properly on a consistent basis.
I think we got a good career out of a former 4th round pick in Free. There were some real lows, but some quality highs and if anything it showed that with good coaching, the team could find a quality O-Lineman and develop that player that wasn't a 1st round pick.
YR