Semenya loses appeal against IAAF testosterone rules Unknown 04:59 FOX Sports Digital, IFTTT Caster Semenya has lost her appeal against rules designed to decrease naturally high testosterone levels in some female runners from FOX Sports Digital https://foxs.pt/2ZPk7F6 via IFTTT Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsBlackhawks say team name honors namesake who inspiredRich Hill ready to earn a spot in Twins rotationMATCHDAY: Barcelona needs win to keep pressure on MadridDeep Dive into 2020 Tigers Schedule (VIDEO)Over the Hill? Recovered lefty on track for Twins rotationBrowns sign 'Bama tackle Wills, team's first-round pick