Michigan QB recruit J.D. Johnson retires because of heart issue - ESPN
- Michigan QB recruit J.D. Johnson retires because of heart issue ESPN
- Irish Close The Door, Turn The Page From Michigan 247Sports
- Michigan football QB commit JD Johnson (heart) must retire, but scholarship still honored Detroit Free Press
- Trieu: Michigan becomes real contender for Illinois safety Justin Walters The Detroit News
- Heart defect forces Michigan commit, quarterback J.D. Johnson, to give up football AZCentral.com
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