Phil Mickelson brain fade could have led to disqualification at Open

• Mickelson rehit his own putt as it was moving at US Open
• American received two-shot penalty at the timeThe R&A’s chief executive, Martin Slumbers, has implied that Phil Mickelson’s brain fade at the US Open – where he rushed after his overhit ball on the 13th green which was running into further trouble and hit it back towards the pin – would have led to him being disqualified at the Open rather than picking up the two-shot penalty he incurred at the tim