BBC Sport - Jermain Defoe reveals secret to Sunderland's spirit

What is the secret to Sunderland's spirit?

Sunderland forward Jermain Defoe reveals an unexpected reason for Sunderland's team spirit.

You can see the full interview with Jermain Defoe on Football Focus, Saturday 12:10 BST BBC One.

WATCH MORE: Football Daily: Man City 'out with a whimper', Klopp's rallying call & Lineker's pants

Top videos