Battling Bhoys bow out despite draw
The visitors, needing victory in the final fixture to go through into the knockout stages, deservedly took the lead in the 29th minute when Gary Hooper took advantage of a mix-up in the Udinese defence to tap in from a yard out.
However, veteran striker Antonio Di Natale notched from close range himself with seconds remaining in the first half after Celtic defender Cha Du-ri inadvertently headed into his path.