Loads of Sunderland fans have been reacting to Friday night’s transfer news, as the Black Cats agreed a deal for exciting young midfielder Luke O’Nien.Wycombe Wanderers announced on Friday that Sunderland have added yet another signing in the shape of O’Nien.Jack Ross and Stewart Donald have already transformed the squad on Wearside by bringing in a mixture of youthful exuberance and sturdy experience, and O’Nien definitely falls into the former of those categories.[brid autoplay=”true” video=”273047″ player=”12034″ title=”Power Ranking the 1819 Premier League kits”]The 23 year-old was a big part of the Wanderers’ promotion to League One, and his work ethic and tireless energy in the middle of the park will quickly endear him to the fans at the Stadium of Light.He grabbed eight goals and four assists last season, putting himself in the spotlight as one of League Two’s standout players.Ross and the Black Cats still need that marquee striker signing, but this is turning into an absolute dream window for fans, and they’re loving the addition of O’Nien.You can find some of the best Twitter reactions down below…