We preview the PGA Championship at Valhalla. 

• Rory: if not now then when?
• Scottie’s chance for a Tiger-like season
• Brooks aiming for a 6-pack
• Spieth’s (long) odds at completing the career grand slam 
• Lowering the bar and choosing to be optimistic about JT 
• Best bets and longshots

Plus, how tall are you compared to how tall you tell people you are? Ronald Acuña makes the record books for the wrong reason. Rafael Nadal and tennis’s top stars limp into Roland Garros. The Livvy Dunne Effect in MLB. Colin Cowherd’s best schtick makes a triumphant return. NBA Playoffs heat up and Caitlin Clark makes her regular season debut.