He says by Khan figthing 2 southpaws in a row it's been a plus for him because it's taught him how to go to his left, which will make Khan more dangerous for a Orthodox fighter. Khan can now go left and right
https://www.youtube.com/watch?v=0D8dkXdTuyE
https://www.youtube.com/watch?v=0D8dkXdTuyE