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Oregon State ace Cooper Hjerpe is a bulldog comedian. But make
10 Years Of SportStars' Staff Memories & Favorites - SportStars
Cooper Hjerpe, Oregon State Sophomore LHP
Cooper Hjerpe, Oregon State Sophomore LHP
High School Baseball/Softball - SportStars Magazine
All-State Baseball Nominees (Part 1)
10 Years Of SportStars' Staff Memories & Favorites - SportStars
GSA Spotlight: Cooper Hjerpe