Golf: Brooks Koepka looks to defend his title as PGA Championship starts tomorrow

Some steadfast tradition. And a sport in the throes of a disruptive market. The PGA Championship, starting Thursday, is another opportunity for golf to navigate the enduring tension between elite skill and profound skullduggery. It is fitting perhaps that the defending champion Brooks Koepka carries the flag for LIV Golf, which has poured an unimaginable stash, soaking the game in confusion and controversy.