TEEMU PUKKI
The big deal with reports of a fee ranging between £2-3.5m paid to Schalke 04 for the Finnish internationalist.
Scoring on his debut as a substitute against Hearts at Tynecastle was as good as it got as Pukki joined a notorious band of 2013 signing flops.
Neil Lennon admitted that Pukki was perhaps too quiet a character for Celtic. Ronny Deila gave him a brief run in the side before a loan spell Brondby was made permanent with the pace of the Danish game more suited to his style of play