Substitute Josh Coburn scores a fine winner in extra time as Middlesbrough stun Tottenham to reach the quarter-finals of the FA Cup. ============= SUBSCRIBE so you never miss out on our best videos ➡️➡️http://bit.ly/1sFodyu ============= Find us here: BBC Sport: http://www.bbc.co.uk/sport Facebook: https://www.facebook.com/BBCSport/ Twitter: https://twitter.com/BBCSport Instagram: https://www.instagram.com/bbcsport/ #bbcsport FA Cup highlights: Middlesbrough shock Spurs in extra time | BBC Sport