Martin O'Neill is sure new signings Camilo Duran and Kasper Hogh can combine to good effect at Celtic, while suggesting it may require a move away from the 4-3-3 formation favoured by the Scottish champions. Both players operate as central strikers, while Duran, who has scored three goals in three friendly outings, was occasionally deployed as a winger by former club Qarabag. "I would think that, given time, the two players should be able to play together without a problem," said manager O'Neill.