A strrong Reds reserves team beat local rivals Rotherham thanks to a late hat-trick from Daniel Nardiello.
Trialist Byron Bubb also made his first appearance.
The Reds took the lead on 74 minutes after good work from Tom Baker and Nardiello finished well.
Baker again put Nardiello through on 78 minutes and again he found the net.
Nardiello's hat trick came in stoppage time as he turned onto Bubb's cross in the area and crashed the ball into the far corner.
BARNSLEY LINE-UP: Colgan, Austin (Harban 45), R. Williams, Laight, Carbon (Atkinson 67), McPhail, Tonge, Bubb, Baker, Conlon, Nardiello, Subs: Scarsella, Onibuje, Jarman.