U.S. women's 4x100 relay team WIN petition to re-run their heat after Brazilian sprinter elbowed Allyson Felix, causing her to drop the baton
http://www.dailymail.co.uk/news/article-3747226/U-S-women-s-4x100-relay-disqualified-Allyson-Felix-ELBOWED-Brazilian-DROPS-baton.html