By Daniel Chavkin She was the first female journalist to step foot into a men’s professional basketball locker room. Jane Gross, a sportswriter best known for being the first female sportswriter to work in a pro basketball locker room, died on Wednesday. She was 75 years old. According to Richard Sandomir of The New York Times, Gross’ brother confirmed that she had a series of falls that led to a traumatic and fatal brain injury. Gross grew up as the daughter of a New York Post sports columnist before becoming a sportswriter herself. She first started working for Sports Illustrated in the late…