Celtic head into the final international break of the year in fine form and with serious momentum under their belt. You can’t argue much about the performances besides two games – Celtic’s Champions League defeat to Borussia Dortmund and the 2-2 draw against Aberdeen in the Premiership. The best of the lot was Celtic’s win over RB Leipzig, which breathed serious life into the team’s European hopes and quest to secure a top-eight finish. That came days after the champions smashed Aberdeen for six and booked their Scottish Cup final ticket against Rangers in style. That’s why Celtic’s win over K…