Many expected Sam Allardyce's side to struggle, in what looked to be a very rough patch of fixtures on paper. However, but they arguably pulled out three of their best performances so far this season.
They were better side despite the 1-0 loss to Manchster City a fortnight ago ,and late goals from Adam Johnson and Jermain Defoe saved a crucial point at Anfield.
Kone started the match against Louis van Gaal's side on Saturday and proved to be one of the key figures in capturing the three points. Fellow January signing Wahbi Khazri opened the scoring three minutes before Anthony Martial leveled the score before the break.
However it was the signing from Lorient who had the final say as his header was bundled over the line David De Gea to give Allardyce's side a crucial win.
Boost of confidence
That string of results has brought the Wearside club to the brink of safety, with one point separating themselves and fourth-bottom Norwich City. Despite the perilous position they continue to be in, the Ivorian believes those results have boosted confidence levels massively.
Kone told the Shields Gazette that it was "important" that they took points off "one of the three big teams", and that four points from a possible nine "wasn't bad at all". He suggested that it was "more than [Sunderland had] hoped for".
With no FA Cup action this weekend the squad have traveled to Dubai for a hot weather training camp ahead of their match with West ham United a week on Saturday, and Kone suggests that all the focus is on the match with Slaven Bilic's side.
He said that they can "look towards" to the tussle with Allardyce's former side, and is hopeful they can get "another victory".
He added that the ongoing relegation scrap is "still difficult" and that the side "need to win more games". Kone believes they will need to win as many of their last 12 games as possible if they are to remain in the Premier League.
Sunderland will visit West Ham United at the Boleyn Ground on Saturday, February 27 with kick-off at 12:45PM GMT.