Preseason Week 1: Watch Oakland Raiders WR Amari Cooper highlight reel

Oakland Raiders wide receiver Amari Cooper flashed promise in his first game against the St. Louis Rams.

READ: Carr to Cooper leads Raiders to 18-3 exhibition win vs. Rams

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This story was originally published August 15, 2015 at 9:53 AM with the headline "Preseason Week 1: Watch Oakland Raiders WR Amari Cooper highlight reel."