Neil Lennon shares reason why 'brilliant' Celtic signing is going to be crucial this week Celtic Olly Dawes Celtic Photos: New Celtic signing looks like he means business in training Celtic ‘Of course it’s good’: £5.5m ace thrilled about reported Celtic interest Celtic '100%' - Some Celtic fans want Lennon to make bold move which 'would occupy Tavernier' Celtic Gennaro Gattuso seemingly didn't love Celtic's newest signing, explained real reason he was signed