Cooper has been added to the Yankton 2020-21 basketball roster.Apps
MaxPrepsFollow your favorite high school teams and players
MP Stats for iPadStat keeping for basketball teams
Pro Photography
Watch
Content Contributors
Cooper Grotenhuis
Added to Roster
Sunday, Sep 3, 2023
Cooper has been added to the Yankton 2020-21 basketball roster.
Added to Roster
Thursday, Jul 21, 2022
Cooper has been added to the Yankton 2022 football roster.Added to Roster
Sunday, Feb 13, 2022
Cooper has been added to the Yankton 2021-22 basketball roster.Added to Roster
Thursday, Jun 3, 2021
Cooper has been added to the Yankton 2021 football roster.Added to Roster
Tuesday, Aug 11, 2020
Cooper has been added to the Yankton 2020 football roster.Added to Roster
Tuesday, Jul 16, 2019
Cooper has been added to the Yankton 2019 football roster.
Recent Football Games
Yankton High School 
© 2025 MaxPreps, Inc.
MaxPreps is a registered trademark of MaxPreps, Inc.