The US PGA Championship is scheduled to get underway at Bethpage Black Course, New York, on Thursday. American Brooks Koepka won the event last year, claiming $2 million in the process. Koepka, along with Masters champion Tiger Woods, Rory McIlroy, Dustin Johnson, Francesco Molinari and Justin Rose have all been listed as potential winners of the second major of the year, however, who could surprise the field and claim a shock win? We’ve taken a look at 20 players who could spring a shock in New York this weekend.