Bayern Munich's official Twitter posted a message today to mourn Boca Juniors coach Miguel Angel Russo.

Bocaruso, who had been battling cancer for a long time, passed away on the afternoon of October 8, local time, at the age of 69.

Bayern Munich's official tweet wrote: "Bayern Munich learned with sadness the news of the death of Miguel Angel Russo, the long-term coach of Boca Juniors. Russo has profoundly influenced Argentine football for decades and led Boca Juniors to achieve countless achievements. In the Club World Cup in the United States, he directed this traditional giant to play against Bayern Munich. We extend our deep condolences to his family, friends and the entire Boca family."