Jack Sievers is a tight end from Everett, Washington, who attended Archbishop Murphy High School. Standing 6'4" and weighing 248 pounds, Sievers earned first-team all-state honors in 2024 as a junior. He also received a four-star rating via national outlets and was named the No. 6 player in Washington by recruiting services. At Archbishop Murphy, he helped the team reach a No. 1 ranking in Washington and advance to the 2A state championship game. Beyond football, Sievers played basketball, averaging a double-double in 2024, and competed in track. He joined Wisconsin as a true freshman for the 2026 season, wearing No. 86.