Added to Roster
Mason has been added to the Jefferson 2021 baseball roster.Mason has been added to the Jefferson 2021 baseball roster.Apps
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Mason Cooper
- Mason has been added to the Jefferson 2021 baseball roster.
Added to Roster
Mason has been added to the Jefferson 2020 baseball roster.Added to Roster
Mason has been added to the Jefferson 2019 baseball roster.Added to Roster
Mason has been added to the Jefferson 2018 baseball roster.Added to Roster
Mason has been added to the Jefferson 2017 football roster.
Mason Cooper's Bio
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Jefferson High School 
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