Bayer Leverkusen coach Xabi Alonso received a fourth yellow card this season in the Bundesliga match against VfB Stuttgart on Saturday and is suspended for the next league game against Eintracht Frankfurt. Both Alonso and Stuttgart coach Sebastian Hoeneß received a yellow card after a heated discussion on the sidelines during the game, which ended in a 2-2 draw after champions Leverkusen scored yet another goal in stoppage time. “I don’t really understand the yellow card. It was passionate on the bench, but nothing remarkable happened. There were discussions with the referee and with the other…