article_snippet.sent: Jermain Defoe earns Sunderland all three points with a sensational volley at the Stadium of Light .
article_snippet.sent: January signing Jermain Defoe reels away in celebration after scoring a priceless goal for Sunderland .
article_snippet.sent: Sunderland boss Dick Advocaat (left) celebrates Jermain Defoe's opening goal as Newcastle United manager .