Barcelona lead Group F of the Champions League with seven points from two wins and a draw.
Figures show that the 28-year-old Germany goalkeeper saved 12 of his 13 shots in the Champions League this season, with a success rate of 92.3%.
In the opening match of the group, which ended in a goalless draw between Dortmund and Barca, the German goalkeeper saved his team from the loss by addressing a penalty in two installments and a number of opportunities achieved.
In the second round at home to Inter Milan, where the Blaugrana won 2-1 hardly; Stijn was the password in the victory, despite the brilliance of duo Lionel Messi and Luis Suarez; the first made two goals and the second scored.
In the game against Slavia Prague, which ended in a tiring victory for Barca 2-1, Stegen was decisive at a time when Barcelona was lost and besieged his area for most of the game, and without the German goalkeeper, the Czech team would have achieved a historic victory over the Catalans.
Barca are four points ahead of second-placed Inter Milan on four points, who are just ahead of third-placed Dortmund, and Slavia are bottom of the standings with a single point.