Sigma 50-100MM 1.8 Art for Basketball

Fellas, I got my feel wet this weekend at 2 local high school/college gyms where I will be shooting basketball this winter. In both cases, to get to 1/800th SS I'll be playing in the 5000-6400 ISO range. Not ideal but doable. Bringing a D5 and D500 to the court. I am tempted to give the Sigma...