There are rumors about Harbaugh potentially leaving for the NFL basically every offseason.
Harbaugh is not interested.
Sports Illustrated NFL insider Peter King reports that multiple NFL franchises expressed interest in exploring the idea of hiring Harbaugh, however they found out that he will be staying put in Ann Arbor, Mich.
Two teams were interested in exploring Harbaugh. Found the same thing. https://t.co/XleNU9PDxo— Peter King (@SI_PeterKing) January 2, 2018