Baseball's toxic tradition of chewing tobacco - BBC News
Curt Schilling says chewing tobacco 'absolutely' gave him mouth cancer - Los Angeles Times
Smokeless Tobacco
Curt Schilling, former Boston Red Sox pitcher, says chewing tobacco led to his mouth cancer - ESPN
Farrell: Tobacco 'a norm in baseball culture' - ESPN - Boston Red Sox Blog- ESPN
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Schilling blames chewing tobacco for mouth cancer