Black Hills State University Athletics

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Weaver joined the Rapid City Central High School program and head coach Mike McCulley this past summer and helped the Cobblers to their second consecutive SDHSAA Class 11AAA playoff appearance in 2025. En route to being named All-SDHSAA Class 11AAA as a special teams return man, he returned one kickoff for a touchdown, while also hauling in 18 receptions for 370 yards and four touchdowns as a wide receiver, and tallied nine tackles, one tackle-for-loss, and two pass break-ups as a defensive back. Following the completion of his senior season he was named to the 2025 Native All-American Game at U.S. Bank Stadium in Minneapolis, Minnesota. Onzei is the son of Moses and Jeanine Weaver and has three siblings, Trajan, Zaidyn, and Honor. Alongside his brother Trajan, he played football internationally in Japan and South Korea, while their father, Moses, was stationed at a U.S. military base in Okinawa, Japan, from 2022-23.