Players of RCD Espanyol attend a training session in Barcelona, Spain, May 18, 2020. The return of football to Spain moved a step closer on Monday as the teams in Spain's Liga Santander and Liga SmartBank (first and second divisions) are able to train in groups of up to 10 players. (RCD Espanyol/handout via Xinhua)

Wu Lei (L) of RCD Espanyol attends a training session in Barcelona, Spain, May 18, 2020. The return of football to Spain moved a step closer on Monday as the teams in Spain's Liga Santander and Liga SmartBank (first and second divisions) are able to train in groups of up to 10 players. (RCD Espanyol/handout via Xinhua)

Players of RCD Espanyol attend a training session in Barcelona, Spain, May 18, 2020. The return of football to Spain moved a step closer on Monday as the teams in Spain's Liga Santander and Liga SmartBank (first and second divisions) are able to train in groups of up to 10 players. (RCD Espanyol/handout via Xinhua)

Players of RCD Espanyol attend a training session in Barcelona, Spain, May 18, 2020. The return of football to Spain moved a step closer on Monday as the teams in Spain's Liga Santander and Liga SmartBank (first and second divisions) are able to train in groups of up to 10 players. (RCD Espanyol/handout via Xinhua)