ruthless, but despite playing in hungary, this was technically home game for chelsea. wolfsburg pulled one back from the spot, that may yet prove important. chelsea with the advantage but only just. adam wild, bbc news. pitch—side saliva tests for concussion have moved a step closer, after a successful trial in rugby union players. it could mean a big breakthrough in developments dealing with head trauma in sport. it comes after rugby�*s governing bodies face a lawsuit from retired players suffering with early on—set dementia. the tests are currently being carried out in a lab and it'll be at least two years before the pitch side version is available. it was a day to forget for rory micilroy at the wgc matchplay event in texas losing 6 & 5 to ian poulter. the northern irishman found water twice, the first one into a residential swimming pool when hooking the ball left on the 5th hole in austin, and then he chipped across the green on the 13th where it eventually ended up in the pond, the world number 11 has employed