Galatasaray’s French right back Sacha Boey is on the verge of signing for Bayern Munich. “We want to sign him,” coach Thomas Tuchel confirmed to Sky ahead of Saturday’s Bundesliga match at Augsburg. Boey, 23, is undergoing a medical and media reports have put the fee at just under €30 million ($33 million). Bayern have been busy in the January transfer window due to a lack of defenders. They started the season light in the backline and have since seen Bouna Sarr ruled out with a cruciate knee injury while Kim Min Jae and Noussair Mazraoui are away at the Asian and African Nations Cups. Centre …