Two-time Super Bowl champion RB Sony Michel retires early in Rams camp - The San Diego Union-Tribune
Former Patriots first-round pick, playoff standout announces retirement
SONY MICHEL RETIRES FROM NFL FOR GOOD. *Reaction* #nfl #americanfootba
Sony Michel, Two-Time Super Bowl Champion Running Back, Suddenly Retires at 28 - Sports Illustrated
This time, Rams are glad that Sony Michel is in the Super Bowl - The Boston Globe
Two-time Super Bowl champion wakes up unemployed after shock retirement aged just 28 as coach admits 'it's a bummer'
Ex-Patriots Super Bowl Champion Retires Suddnely
Rams' Sony Michel retires after 5 seasons, 2 Super Bowl titles - ESPN
Sony Michel, Rams and Patriots Super Bowl winner, is retiring - Los Angeles Times