2025 (Redshirt Sophomore)
Played in seven games for the Cougars, totaling 23 tackles with 13 solo stops and 10 assisted tackles. Added one tackle for loss, one interception returned for 27 yards, and two pass breakups. Isaac also earned a spot on the NSIC Fall All-Academic Team for excelling in the classroom.
2024 (Redshirt Freshman)
Appeared in one game for the Cougars while recording two tackles and a fumble recovery. Isaac was named to the NSIC All-Academic Team of Excellence for his efforts in the classroom.
2023 (Redshirt)
Redshirted during his first year with USF.
High School
Isaac competed in football, basketball, and baseball at Kerkhoven-Murdock-Sunburg High School. He earned three All-District selections, two All-Selection honors, and was named to the West Central Area first team in football. He was also selected for the Minnesota State High School All-Star football team. Isaac was a two-time defensive MVP and all-around MVP in football. In basketball, he was All-Conference, earned two All-Conference honorable mentions, and was named conference defensive player of the year. Additionally, Isaac was a four-time All-Conference baseball player.
Personal
Isaac is the son of Angie and Wayne Rudningen and has two siblings, Dylan and Logan.