Baseball players, chewing tobacco and cancer - Los Angeles Times

The Incredible History of Big League Chew

California tells MLB players: No more chewing tobacco - MarketWatch

Schilling blames chewing tobacco for mouth cancer

Schilling blames chew tobacco for mouth cancer

Tony Gwynn's family suing tobacco industry over his death from cancer - The Washington Post

Proposal could ban Mariners, opponents from chewing tobacco at Safeco Field

San Francisco -- and all of California -- will consider a smokeless tobacco ban that includes MLB parks - NBC Sports

Stopping Baseball's Big Dip

Can MLB players chew tobacco? - Quora

Tony Gwynn's death renews concern about danger of chewing tobacco - Newsday