USMNT prospect Cole Campbell makes another cameo in Dortmund's Bundesliga loss to Mainz
The 18-year-old, who recently switched his national eligibility from Iceland to the U.S. made his third Bundesliga appearance
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- Cole Campbell featured again for Dortmund
- Played 15 minutes in 3-1 loss to Mainz
- Called up for U.S. U-20s November camp
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