Goals either side of half-time from Sokratis and 20-year-old striker Eddie Nketiah help a young Arsenal side win at League One Portsmouth to reach the FA Cup quarter-finals. ============= SUBSCRIBE so you never miss out on our best videos ➡️➡️http://bit.ly/1sFodyu Uploads every Monday - Wednesday - Friday. ============= 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 #facup #arsenal Arsenal cruise into quarter-finals | FA Cup fifth round | BBC Sport