Tony Gwynn died at age 54 after battling salivary duct cancer . ` But the minute I finish my at-bat , I spit it out . He 's not the only baseball player to battle oral cancer . MLB changed rules in 2011 but has n't banned tobacco smoking on the field .
Tony Gwynn died at age 54 after battling salivary duct cancer . He 's not the only baseball player to battle oral cancer . MLB changed rules in 2011 but has n't banned tobacco smoking on the field .