Keep in mind that easybaseballbetting defines an underdog as any team that is + odds (+100 or more). Thus, games where the dog has negative odds (-109 vs. -101, -107 vs. -103, etc.) are NOT included in these numbers at all. I cannot vouch for 100% accuracy, but I have no reason to doubt the site either.
Link to MLB Underdog Statistics Since 1999 are Inside
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