Celtic have come flying out of the blocks in the Scottish Premiership this season and will be desperate to get back to business after the international break. Taking the campaign in their stride, the Bhoys are yet to concede a single goal in their opening four league fixtures and sit at the summit above Aberdeen on goal difference. For now, the Nations League and other international fixtures move to the forefront during the break, which offers Brendan Rodgers and company a chance to regroup ahead of a congested fixture schedule. As expected, the Bhoys’ involvement in the Champions League leagu…