ANN ARBOR, MI – DECEMBER 30: Jim Harbaugh speaks as he is introduced as the new Head Coach of the University of Michigan football team at the Junge Family Champions Center on December 30, 2014 in Ann Arbor, Michigan. (Photo by Gregory Shamus/Getty Images)Jim Harbaugh has been one of the most popular NFL coaching candidates since the day he left the San Francisco 49ers. After yet another loss to arch-rival Ohio State – most recently in a historic blowout – the speculation on Harbaugh’s NFL return has been ramped up.ProFootballTalk revealed on Thursday that if and when Harbaugh is ready to return to the NFL, he will be looking to coach the Miami Dolphins.The revelation was made in response to recent comments by FOX Sports analyst Cris Carter, who suggested that Harbaugh would be a viable candidate for the vacant Green Bay Packers coaching job.However, there still is the matter of the Dolphins still having head coach Adam Gase under contract and still in the hunt for a playoff spot. If Gase leads Miami to the playoffs in 2018, he could be in line for an extension that could make landing Harbaugh difficult – even if owner Stephen Ross really wants [email protected] says he was told if and when Jim Harbaugh returns to the NFL, he’s going to the Miami Dolphins. No word on when that would be, however. https://t.co/I7poeOHSGH— Rob Guerrera (@StatsOnFire) December 6, 2018Harbaugh is 38-13 as head coach of the Wolverines since taking over as head coach in 2015.But his teams are 0-4 against the Ohio State Buckeyes, and have yet to compete in the Big Ten Championship Game.If Harbaugh fails to bring Michigan to the promised land in 2019, who is to say that he won’t call it quits after five years without a shot at the conference title.