In an alternate world, Lee Keegan’s GPS unit hit the ball moments before Dean Rock’s free-kick attempt deep into injury-time in last year’s All-Ireland final, resulting in a wide.

Barney Rock considers the 2014 All-Ireland semi-final defeat to Donegal as one of the toughest lessons this current Dublin side has learned, but suggests last year’s Division 1 final loss to Kerry was just as informative to Jim Gavin.