By Michael Shapiro She became the first woman to pitch in the independent Atlantic League on Wednesday night. View the original article to see embedded media. Kelsie Whitmore made history on Wednesday night as she became the first woman to pitch in an Atlantic League game. Whitmore made her Atlantic League debut on Sunday as she played left field. She took the mound as a reliever on Wednesday, and quickly impressed with a strikeout of former MLB infielder Ryan Jackson. Whitmore signed with Staten Island last month after a collegiate softball career at Cal State Fullerton. She has also logged s…