5 Costly Golf Rules Mistakes That Changed Everything

Five perfect rounds. Five brutal mistakes. From hidden rules to scorecard disasters, these are the moments where golf’s greatest players lost everything — not to pressure, but to the rulebook. 00:00 — Intro 00:37 — Ian Woosnam — 2001 Open Championship — 15 clubs penalty cost him the lead 02:01 — Dustin Johnson — 2010 PGA Championship — “bunker” penalty on final hole 04:06 — Tiger Woods — 2013 Masters — illegal drop confession controversy 06:04 — Roberto De Vicenzo — 1968 Masters — wrong scorecard signed 08:09 — Mark Roe — 2003 Open Championship — disqualified for not swapping scorecards