Red Sox 2013 World Series champion Mike Napoli announces retirement
Napoli the hero again for Red Sox
Former Red Sox player Mike Napoli announces his retirement
2013 World Series: Boston Red Sox considering Mike Napoli at third base
Former Red Sox World Series winner Mike Napoli retires after 12 big-league seasons
World Series: A position-by-position breakdown
Former Ranger Mike Napoli retires from MLB
Mike Napoli retires; helped Boston Red Sox to 2013 World Series championship
Boston Leaves Worries Behind and Learns to Be Happy - The New York Times
Mike Napoli signing finally official – Boston Herald