 Complete the following phrase:  During the 201920 season, Alaba was converted to the centre-back position, often partnering up with Jérôme Boateng, due to an injury crisis. He adapted to the position very well and soon became the leader of the defense. On 23 August 2020, he played the full 90 minutes at centre-back as Bayern beat Paris Saint-Germain 10 in the 