The chill in the air has subsided for most of the country and so too has spring football. With 15 practices in the rearview mirror and the usual assortment of freshmen and transfers now firmly embedded on every roster, we have a better sense of how teams stack up for the upcoming season. Here’s Sports Illustrated ’s latest way-too-early Top 25 rankings ahead of a busy summer. 1. Notre Dame Previous ranking: No. 2 The NFL draft first-round-caliber backfield is gone, but quarterback CJ Carr is more than capable of carrying the offensive load. He should benefit from new weapons on the outside and a rebuilt offensive line that may have more depth than last season. The bulk of the defense is back and what holes there were received quality reinforcements from the portal. With Miami making the trip to South Bend late in the season and no USC on the docket, the schedule should allow for earning a College Football Playoff first-round bye at a minimum.  2. Oregon Previous ranking: No.…