Striker Jermain Defoe broke down in tears when he was asked about 'best mate' Bradley Lowery as he was officially unveiled as a Bournemouth player. Defoe has joined the South Coast club from Sunderland, where he struck up a close relationship with six-year-old Bradley, who is terminally ill with cancer. Report by Russellcooperr. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn