Spitting is part of baseball tradition and will be tough to quit, historian says | CBC Radio
Chewing tobacco and a Major League dream | CNN
Chewing tobacco in the MLB: Tony Gwynn wasn't the only one | CNN
Baseball adapting to stricter rules on tobacco
San Francisco Becomes First U.S. City To Ban Chewing Tobacco At Ballparks
A history of baseball and chewing tobacco.
There's nothing glamorous about chewing tobacco
SF mayor signs law that bans chewing tobacco at ballparks
Players find tobacco habit hard to shake - The Boston Globe
California tells MLB players: No more chewing tobacco - MarketWatch
California lawmakers move to ban tobacco chewing in ballparks | CTV News
Smokeless tobacco: Baseball's deadly sin
Baseball should ban smokeless tobacco - NBC Sports
Why Do Baseball Players Spit so Much?
Is Chewing Tobacco Banned in MLB? | BetMGM
Cancer victim educates others about dangers of 'spit' tobacco
The Best Ban in Baseball: Smokeless Tobacco is Going, Going, Gone!
Time to spit out chewing tobacco for good in Major League Baseball - CBSSports.com
Despite growing resistance to smokeless tobacco, major league ban may be difficult to attain - nj.com
A Surprisingly High Number of Major League Baseball Players Still Chew Tobacco
MLB: Tony Gwynn's Death and Chewing Tobacco in Baseball | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Congress urges baseball to ban smokeless tobacco | National | oleantimesherald.com
Chewing tobacco still prevalent in baseball culture – The Ithacan
