Celtic lose ground in title race with damaging defeat to Dundee United

The pressure was on Martin O'Neill's side after leaders Hearts and title-challenging Rangers both won on Saturday and they meekly failed to meet the challenge.

BIG LOSS: Celtic manager Martin O'Neill during their defeat to Dundee. Pic: Andrew Milligan/PA Wire.

Dundee United 2 Celtic 0

Slipshod Celtic stumbled in this season's compelling William Hill Premiership title race with a damaging 2-0 defeat by Dundee United at Tannadice.