Real Madrid begins its UEFA Champions League title defense against Stuttgart at Santiago Bernabeu, marking the start of a new league phase format in the tournament. Despite injury woes, key players like Jude Bellingham and Aurelien Tchouameni are expected to return, with Kylian Mbappe making his first Champions League start for Madrid. Mbappe, who joined from PSG, has faced some initial struggles in La Liga but has shown signs of form, including a recent brace against Real Betis. The match, set for September 17, will be broadcast on various platforms including Sony Sports Network and Paramount+. Stuttgart, returning to the Champions League after 14 years, aims for a strong performance under coach Sebastian Hoeneß.