Kieran Shannon: From Christy Ring to Dean Rock, geniuses are not born great. It’s work-rate that makes them special

Dean Rock is someone else who can vouch for the merits of Anders Ericsson’s work. Picture: Eóin Noonan/Sportsfile

A giant in sport fell just there, though you probably didn’t hear any tremor. But you’ve seen the ripples from his work, from Augusta to Croke Park.