Tony Gwynn was using smokeless tobacco in his final days - NBC Sports
Tony Gwynn: Saying farewell to an idol through stories told in a Hillsboro ballpark
George Brett – Society for American Baseball Research
Tony Gwynn's final days: Did tobacco kill Padres legend? - Sports Illustrated
Chris Sale of Chicago White Sox says Tony Gwynn's death caused him to quit chewing tobacco - ESPN
Tobacco company says Tony Gwynn was warned
Tony Gwynn's death reinforces danger of smokeless tobacco - The Boston Globe
Tony Gwynn's final days: Did tobacco kill Padres legend? - Sports Illustrated
Tony Gwynn's Family Sues Tobacco Industry, Seeking Recourse Over Fatal Habit - The New York Times