Alaba insists there shouldn't be a debate over the Frenchman's case.
“It's not even a question, if you look at what Karim did last season you see that it's almost unbelievable," said the Austrian.
“I am very grateful to have been a part of his team."
Alaba also commented on summer arrival Aurelien Tchouameni: "With him there is not only a lot of potential, he is providing quality from day one. His contribution is important and it was not easy due to the departure of Casemiro, a world-class player in that position for a decade."