Duke basketball: Coach K must offer 7-foot marvel, pronto

If the Duke basketball coaches don’t soon enter the fray for the most one-of-a-kind 2021 prospect, then they may have regrets in a couple of years when scrambling for a strategy to contain him.

Every major recruiting site lists Minnehaha Academy (Minn.) junior Chet Holmgren as a center. But such a title doesn’t do the five-star justice. Neither does the lack of a Duke basketball offer.

On Wednesday, per Prep Hoops’ Ryan James, members of Mike Krzyzewski’s staff were on hand to watch Holmgren — a guard on stilts who just so happens to check most boxes in the paint — in the same state that has recently gifted the Blue Devils with five-stars Tyus Jones, Gary Trent Jr., Tre Jones, and Matthew…