Schilling said he did n't reveal what type of cancer he had .
Schilling did n't want people feeling sorry for Schilling and because Schilling did n't want to get involved with the debate about whether MLB should bar the use of chewing tobacco .
Schilling said he did n't reveal what type of cancer he had because he did n't want people feeling sorry for him and because he did n't want to get involved with the debate about whether MLB should bar the use of chewing tobacco .