Josh Fraser has engineered 10 wins and just two losses since stepping up as Blues interim coach. (Rob Prezioso/AAP PHOTOS)Josh Fraser has engineered 10 wins and just two losses since stepping up as Blues interim coach. (Rob Prezioso/AAP PHOTOS) Credit: AAPCarlton fans are chanting Josh Fraser's name and a similar endorsement from the club's hierarchy for the Blues' interim coach to take the reins full-time could follow as soon as this week. Half-back Adam Cerra joked whether the interim boss should take the reins was the hardest question at the club at the moment. "I've just tried to stay as narrow as I can and it's been challenging with a lot of the questioning and different things, but I still feel such a responsibility to this role as interim coach.