TONIGHT WE SEE 'TUCHEL'S LONG TERM CHELSEA...' | BARNSLEY vs CHELSEA FA CUP PREVIEW. Barnsley vs Chelsea tonight in the FA Cup 5th round gives us the opportunity to see Thomas Tuchel change up his Chelsea tactics as Chelsea face lower league FA Cup opposition. I believe Chelsea will revert to a 4-3-3 for tonight's FA Cup tie against Barnsley away. Tuchel has already confirmed that Kepa, Kante both start! Let me know your Chelsea FC Starting XI for tonight's FA Cup 5th round tie against Barnsley in the comments below!