Explained: How will a GAA penalty shootout work?

Cork's Patrick Horgan a scores penalty during the 2018 National Hurling League. Any game that is level after extra time will be decided on penalties in this year's hurling and football championships. Picture: INPHO/Conor Wyse
Only a player from the five nominated penalty takers will be able to participate should any penalty shootout go to sudden death in this weekend’s championship games.
The possibility of spot kicks and pucks comes into sharp focus with nine knockout Sam Maguire Cup games taking place this weekend— two in Munster, three in Leinster, three in Ulster, and one in Connacht.