Vanessa Bryant, Kobe Bryant estate end 18-year partnership with Nike Tuesday, April 20 by ABC News(LOS ANGELES) -- After 18 years, Kobe Bryant's long-held partnership with Nike has come to an end.Vanessa Bryant, the late basketball star's widow, and the Kobe Bryant estate confirmed on Monday that the contract would not be renewed after his five-year, post-retirement contract ended... Read More.