Jordan Spieth carded a 64 to claim the lead on -8 after the first round . Jason Day , Ernie Els , Justin Rose and Charley Hoffman three shots behind . Rory McIlroy kept alive his hopes of claiming career grand slam with the year . Injury-hit Tiger Woods recorded a 73 in just his third start of 71 .
Jordan Spieth carded a 64 to claim the lead on -8 after the first round . Jason Day , Ernie Els , Justin Rose and Charley Hoffman three shots behind . Rory McIlroy kept alive his hopes of claiming career grand slam with 71 . Injury-hit Tiger Woods recorded a 73 in just his third start of the year .