The Arizona Cardinals announced Welter as an inside linebackers coaching intern, making her the first female coach in NFL history.
On July 27, 2015, the Arizona Cardinals announced that Jennifer Welter would join their coaching staff as an inside linebackers coaching intern for training camp and the preseason, making her the first woman in the history of the National Football League to hold any coaching position with a team.
This announcement sent shockwaves through the sports world and was covered extensively by national and international media, including the BBC and CNN. Welter's presence on an NFL sideline, working directly with male linebackers during grueling training camp practices, shattered a barrier that had stood since the league's founding in 1920.
Head coach Bruce Arians and the Cardinals organization faced scrutiny and skepticism from some corners of the football world, but Welter's credentials — including her doctorate in psychology, her playing career, and her prior coaching stint with the Texas Revolution — made her a credible and respected addition to the staff.
Her internship ran through the entirety of training camp and the preseason, during which she worked closely with players, coaches, and support staff, immersing herself fully in the day-to-day demands of professional coaching. Though her role was temporary, it fundamentally altered perceptions of who could coach professional football and paved the way for subsequent women to join NFL coaching staffs in expanded, and eventually permanent, capacities.
Welter's NFL tenure is widely regarded as one of the most consequential moments in the sport's history regarding gender inclusion, and it remains a touchstone reference point whenever new women's coaching hires occur across professional sports.