Peter Stringer & Donncha O'Callaghan | Playing the long game

What are Ireland vets Peter Stringer & Donncha O'Callaghan's keys to a long rugby career? Follow World Rugby on social media: Official Website! http://www.worldrugby.org, SUBSCRIBE to our YouTube Channel For More Great Videos https://youtube.com/user/irb, Follow us on Twitter: https://twitter.com/worldrugby Like us on Facebook: https://www.facebook.com/worldrugby, Follow us on Instagram: http://www.instagram.com/worldrugby,