1976: Best we can tell (and by we, I mean me & the illustrious Dr. Sap), Nikes first appear on the feet of a Wolverine, here shown on #41, the great Rob Lytle (and yes that’s Ricky Leach killing it in the Pumas):

March 1994: Michigan signs 6-year contract with Nike for, “apparel and shoes, totaling more than 23,000 items over six years for football, basketball, hockey, baseball, softball, swimming, wrestling, golf, tennis, field hockey, cross-country, track and field, gymnastics, volleyball, soccer and cheerleading squads.