The Giants have dropped hints that they’re interested in selecting former Michigan star J.J. McCarthy, but he may not be there when they select at No. 6 in the NFL Draft. It’s why ESPN analyst Field Yates believes New York may be thinking about moving up for the Wolverines QB. There’s a lot involved in deciding on whether to draft McCarthy, who helped lead Michigan to the college football championship back in January. The Giants already have (the oft-injured) Daniel Jones at quarterback. Last year, the team signed him to a new, four-year, $160 million contract following a playoff season in 202…