Harvard School of Public Health professor Gregory Connolly, however, says, "the use of smokeless tobacco by players has a powerful role-model effect on youth, particularly among young males in sport, some of whom remain addicted in future careers as professional athletes." [38] According to Connolly, one-quarter of Minor League players do not support allowing the use of chewing tobacco during games, and one-third of Major League players support abolishing it
"Use of smokeless tobacco and risk of cardiovascular disease: A systematic review and meta-analysis" (PDF)
A group of health experts joined with a state lawmaker on Tuesday and proposed outlawing the use of chewing and dip tobacco by players and fans at all baseball games, professional and amateur, including organized adult and youth leagues and games held at the five Major League Baseball stadiums in California
it is not ground fine like dipping tobacco
"Tobacco-Related Health Disparities Fact Sheet" (PDF)