[3] She grew up as a fan of the National Football League (NFL) and the star running back of the Detroit Lions, Barry Sanders.
[3] While at the league office, Frelund worked on projects like studying the potential costs and benefits of moving away from a schedule of four preseason games and 16 regular season games to a split of two and 18, the viability of moving a team to Los Angeles, and suggesting adaptations to the league's rookie pay scale.
In a 2018 interview with the Detroit Free Press, Frelund described her role as a sports journalist as "using analytics and combining that with information I gather from watching film, talking to people around the NFL, and former players I work with to come up with ways to help fans see the game through a different lens.
In conjunction with her job, Frelund makes use of computer modeling, writing her own code to generate thousands of simulations of each game, from which predictions can be derived.
[5] At the time of her hiring, Mark Preisler, executive vice president of Pegula Sports and Entertainment, producer of the preseason telecasts, called Frelund a "rising star" and noted his company's desire to "get away from a typical sideline reporter" in favor of making use of an expert to add in-game commentary about "next gen stats and trends.