US Open golf: Wyndham Clark holds halfway lead as Rory McIlroy slips back after rollercoaster round at Shinnecock Hills  Sky SportsUS Open second round: Wyndham Clark holds four-shot lead but big names gather in chasing pack  The GuardianUS Open 2026: Rory McIlroy starts strongly before dynamic alters at Shinnecock Hills  BBCLive US Open Day 2 updates: Rory McIlroy falls back at Shinnecock  RTE.ieUS Open, Day Two: Rory McIlroy falls back off lead after run of bogeys  Irish Independent