Garry Ringrose hat-trick helps Leinster cut Benetton to shreds in Champions Cup opener

[team1]Leinster[/team1][score1]33[/score1][team2]Benetton Rugby [/team2][score2]19[/score2][/score]

Garry Ringrose is still sporting a bandage to cover the head injury he picked up in Japan but a hat-trick of tries in this bonus-point Heineken Champions Cup win in Dublin suggests that there is no lingering hangover from Ireland's dismal World Cup showing.