Original sentence: The Tour was dealt a major blow when the first-place Astana Team withdrew from the race on 24 July 2007, after team member and pre-race favorite Alexander Vinokourov from Kazakhstan tested positive for an illegal blood transfusion
Edited sentence: The Tour was dealt a major blow when the first-place  team withdrew from the race on 24 July 2007, after team member and pre-race favorite Alexander Vinokourov from Kazakhstan tested positive for an illegal blood transfusion