What a difference a year makes. Twelve months on from starting the Open championship with a horror round of 85 which he admitted left him “embarrassed and looking stupid”, England’s Paul Casey posted a 66 today to set the pace at Royal Troon.

What a difference a year makes. Twelve months on from starting the Open Championship with a horror round of 85 which he admitted left him “embarrassed and looking stupid”, England’s Paul Casey posted a 66 today to set the pace at Royal Troon.

PADRAIG HARRINGTON admits he has a puzzle to try to solve on the eve of the Open championship tomorrow.