Caster Semenya’s case sets a big precedent for women’s sport
Using a testosterone limit to determine who is female will probably fail to settle the matter
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Tiger Woods made our golf model look silly. Have we learned a lesson?
The sport’s most beloved star was very good at Augusta—but also very lucky
Tiger Woods wins his fifth Masters in a comeback for the ages
But if history is any guide, he is running out of time to beat Jack Nicklaus’s 18 major victories
Why the NHL’s best team in decades is unlikely to win the Stanley Cup
A hard salary cap and tricky playoffs prevent a runaway winner from dominating the competition
Why neither Tiger Woods nor Rory McIlroy is our Masters favourite
Our new data-visualisation site reveals why both fans and betting markets are backing the wrong man