Former players compete during an exhibition match between Bayern 1990 and Bayern 2000 at the ancient Arena in Pula, Croatia, July 8, 2019. The Roman amphitheatre was used for the first time as a football pitch on Monday night when Croatian and Bayern Munich football legends met in an exhibition tournament. (Xinhua/Nel Pavletic)

Former Bayern Munich players compete during an exhibition match between Bayern 1990 and Bayern 2000 at the ancient Arena in Pula, Croatia, July 8, 2019. The Roman amphitheatre was used for the first time as a football pitch on Monday night when Croatian and Bayern Munich football legends met in an exhibition tournament. (Xinhua/Nel Pavletic)

Former Bayern Munich players Paulo Sergio (L) compete with Klaus Augenthaler during an exhibition match between Bayern 1990 and Bayern 2000 at the ancient Arena in Pula, Croatia, July 8, 2019. The Roman amphitheatre was used for the first time as a football pitch on Monday night when Croatian and Bayern Munich football legends met in an exhibition tournament. (Xinhua/Nel Pavletic)

Former Bayern Munich player Maurizio Gaudino (L) competes with Croatian goalkeeper Stipe Pletikosa during an exhibition match between Bayern 1990 and Bayern 2000 at the ancient Arena in Pula, Croatia, July 8, 2019. The Roman amphitheatre was used for the first time as a football pitch on Monday night when Croatian and Bayern Munich football legends met in an exhibition tournament. (Xinhua/Nel Pavletic)

Aerial photo taken on July 8, 2019 shows the ancient Arena where former Bayern Munich players compete during an exhibition match in Pula, Croatia. The Roman amphitheatre was used for the first time as a football pitch on Monday night when Croatian and Bayern Munich football legends met in an exhibition tournament. (Xinhua/Nel Pavletic)

Aerial photo taken on July 8, 2019 shows the ancient Arena where former Bayern Munich players compete during an exhibition match in Pula, Croatia. The Roman amphitheatre was used for the first time as a football pitch on Monday night when Croatian and Bayern Munich football legends met in an exhibition tournament. (Xinhua/Nel Pavletic)

Former Bayern Munich players take a group photo before an exhibition match between Bayern 1990 and Bayern 2000 at the ancient Arena in Pula, Croatia, July 8, 2019. The Roman amphitheatre was used for the first time as a football pitch on Monday night when Croatian and Bayern Munich football legends met in an exhibition tournament. (Xinhua/Nel Pavletic)