Away from the spotlight, however, Pegula's biggest source of support has remained remarkably understated. Her husband, Taylor Gahagen, has been alongside her for years, with their relationship beginning through the same workplace that was at the center of Pegula's family business empire.

Jessica Pegula, daughter of Buffalo Bills and Sabres owners Terry and Kim Pegula, surprised fans with an unexpected guest at the 2026 US Open.

Jessica Pegula takes on Emma Navarro in the first, All-American US Open women’s singles quarterfinal since 2015 tonight, Sept. 8, at Arthur Ashe Stadium in Queens, N.Y.

The family owns the Buffalo Bills of the NFL and the Buffalo Sabres of the NHL. According to the current Forbes Real-Time Billionaires Tracker, Terry possesses a verified net worth of $11.8 billion.

Follow live as the singles quarterfinals get underway at Flushing Meadows.