Jim Harbaugh, head coach of the Michigan Wolverines, will conduct a job interview with the Denver Broncos about their head coaching position in the coming days, according to “NFL insider” Ian Rapoport. After Nathaniel Hackett was fired after week 16, the Denver post is vacant. The 59-year-old is still flirting with a return to the NFL. “As I explained back in December, while no one knows what the future holds, I expect to be excited about coaching Michigan in 2023,” Harbaugh said in a recent statement, but left a back door open. However, Michigan has a chance to prevent the Broncos from wooing their coach if they give him a long-term contract and make him one of the highest-paid coaches in college. The little brother of Ravens coach John Harbaugh played quarterback in the NFL for 14 years and led the San Francisco 49ers during his four-year tenure as coach in 2014 in Super Bowl XLVII against Baltimore. And another NFL team is said to have put out feelers to Harbaugh…