The Sky Blues took the lead through Viktor Gyökeres in the first half and a Stewart Armstrong unstoppable strike levelled the game for the Saints which took the game into extra time, where Saints goalscorer Kyle Walker-Peters advances Southampton through to the fifth round of the Emirates FA Cup Follow @EmiratesFACup on Twitter for in-game highlights and match updates! https://twitter.com/emiratesfacup Subscribe: https://www.youtube.com/thefacup To find out more about The Emirates FA Cup visit: TheFA.com/EmiratesFACup The Emirates FA Cup on Facebook http://www.facebook.com/TheFACup