Poor Dan Martin. 4th at the end of the first week. Sticking with Chris Froome today, apparently the tour's toughest stage, 25km from the end of s steep descent, he is taken out of it by Richie Porte (totally accidental) after Porte came a-cropper. Porte is out, Martin re-mounted but lost a lot of time. Martin had been isolated so far in that I think he was the only member of his team in the Top 50 GC - most other GC challengers had some teammates well placed, none more so than Froome.