The thought of dropping out of the Championship isn't even entering the head of Barnsley boss Jose Morais.
The Reds picked up a crucial victory with Oli McBurnie scoring twice and missing a penalty in the first half.
Barnsley's shock win gives them hope of salvaging a Championship place and their new manager Morais was impressed as his charges climbed out of the bottom three.
Morais, whose side egded out of the bottom three said: "I am delighted with the win, the performance and attitude of my players.
"I am expecting many surprises from my players as I am a positive person. I believe in their quality, I believe in them and I believe that they can do so much more.
"I do not think about relegation. There are a lot of games to be played and we will win enough games. This result was important and the win over Birmingham is a big motive to celebrate."