Kylian Mbappe, Vinicius, and Lamine Yamal affected in shocking Barcelona and Real Madrid decision: Why did La Liga giants opt out of retro kit plan?

Spanish soccer is preparing for a nostalgic celebration unlike anything the league has attempted before. Yet even before the initiative begins, attention has already shifted toward the absence of some of the sport’s brightest stars.

Spanish soccer is preparing for a nostalgic celebration unlike anything the league has attempted before. Yet even before the initiative begins, attention has already shifted toward the absence of some of the sport’s brightest stars. Supporters expecting to see players...