Meet Sister Mary Jo Sobieck, former college softball center fielder and currently with Marian Catholic High School in Chicago Heights, IL.

Sister Mary was on hand to throw out the ceremonial first pitch at the Chicago White Sox vs. Kansas City Royals game on Saturday and she did not disappoint. Check out her curveball:

Here it is from another angle:

The high school posted a video to Instagram of Sister Mary practicing for her big moment:

And we do mean PERFECT: