Big Ten Media Days takeaways: Inside Oregon’s scramble, Michigan’s encore and The David Mirkovic Show begins

Getty Images CHICAGO — Dana Altman first confided in long-time assistant Tony Stubblefield that he was considering retirement last Friday. Stubblefield waited for the weekend to pass, hoping his friend would have a change of heart. Altman wanted to meet with Oregon athletic director Rob Mullens on Monday, but Mullens was out of town, so the summit was kicked down the road for 24 more hours. Late Tuesday, Altman relayed to Stubblefield that he was still leaning toward hanging it up, but he wanted to sleep on it one more night. After Wednesday’s practice, Oregon’s players gathered for a meeting.…