By Mike McDaniel It would be his second stint with the Musketeers if he lands at the school. Former Arizona coach Sean Miller, who was fired from the school last spring following a lingering NCAA investigation into the basketball program, is currently a strong candidate for the Xavier and South Carolina coaching vacancies, according to Jon Rothstein of CBS Sports. If Miller chooses Xavier, it would be his second stint with the program. He began his head coaching career with the Musketeers, and was with the school for five seasons from 2004 to ’09, leading the program to a 120–47 record. Miller…