Nov. 11 (UPI) -- Royal Spanish Football Federation officials criticized Barcelona on Tuesday for a lack of information about Lamine Yamal's groin injury treatment. Yamal started Barcelona's last six games, including a 4-2 win over Celta Vigo on Sunday in Vigo, Spain. He scored four goals and provided three assists over that span. Barcelona announced Tuesday that the 18-year-old striker underwent a "specific treatment required to ensure full recovery" from his recently sustained injury. "The [