PGA Championship on TSN storylines: Scheffler, McIlroy or Koepka? Can Tiger's body hold up?
The second major championship of the year is upon us and with it comes a tough test at Valhalla, where the long, narrow and wet golf course will test the world's best this week for the first time since 2014. Watch coverage this week LIVE on TSN, TSN.ca and the TSN App.