First time John ‘Tweek’ Griffin travelled to hurl for Kerry, he couldn’t believe it when players headed for the pub the night before. But over a fiercely committed 15-year career, he saw improvements, a new ambition, the melting away of some old divisions, and even a little glory. He drove much of that progress himself, making a few enemies along the way. But when he retired last year, to modest fanfare, he knew he had given the jersey all he could.