Boca Junior fans try to get a glimpse of their team during a training session in Madrid, Spain, Thursday, Dec. 6, 2018. The Copa Libertadores Final will be played on Dec. 9 in Spain at Real Madrid's stadium for security reasons after River Plate fans attacked the Boca Junior team bus heading into the Buenos Aires stadium for the meeting of Argentina's fiercest soccer rivals last Saturday.
Boca Junior fans try to get a glimpse of their team during a training session in Madrid, Spain, Thursday, Dec. 6, 2018. The Copa Libertadores Final will be played on Dec. 9 in Spain at Real Madrid's stadium for security reasons after River Plate fans attacked the Boca Junior team bus heading into the Buenos Aires stadium for the meeting of Argentina's fiercest soccer rivals last Saturday. Paul White AP Photo
Boca Junior fans try to get a glimpse of their team during a training session in Madrid, Spain, Thursday, Dec. 6, 2018. The Copa Libertadores Final will be played on Dec. 9 in Spain at Real Madrid's stadium for security reasons after River Plate fans attacked the Boca Junior team bus heading into the Buenos Aires stadium for the meeting of Argentina's fiercest soccer rivals last Saturday. Paul White AP Photo