RONNY DEILA insists there are more goals to come from Leigh Griffiths after his lightning treble strike against Kilmarnock.
The frontman has failed to tie down a permanent place in the Hoops starting line-ups this season.
However, he staked his claim to be in at the start of Sunday’s Scottish Cup semi-final against Inverness Caley Thistle with his supersub display in midweek.
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Deila said: “He was fabulous. You can’t do better than three goals and his contribution was excellent. He could be a kicker in American football, I think.
“He has improved a lot. He is training well and as a 24-hour athlete he is getting better and better – even though he eats cakes on the bench sometimes.
“But it is still just a start and we will continue working on small things to get him better and we will get even more goals.”
Deila acknowledged Griffiths obviously had a point to prove when we went on against Killie.
He said: “It looked like that and that is how you do it. That’s what you expect from the other subs as well.
“You can be angry, but the only way to get back into the team is to really prove that you deserve to play like Leigh did.
“This was a very important win and we are into a very important week. If we can get into the last five games eight points ahead at least we have a very good chance.”