What about Páirc Uí Chaoimh's playing surface?

Croke Park stadium director Peter McKenna says the cost of redeveloping Páirc Uí Chaoimh has escalated to an eye-watering total of €110 million, almost €25m higher than the €86 million total estimated following the completion of works last year.

Luck, genes, or IQ — what are the keys to a winning career? Helen O’Callaghan seeks the answers.