Royals slight favorite over Mets to win the World Series
Bovada Las Vegas has the Royals as slight favorites over the Mets to win the 2015 World Series:
World Series Line
New York Mets EVEN (1/1)
Kansas City Royals -120 (5/6)
The Mets had 7/1 odds to win the World Series when the playoffs began, and 10/3 odds to win when the NLCS began. The Mets had 13/4 odds to win the pennant when the playoffs began as well.
Heading into the League Championship Series, the odds of the Mets and Royals facing each other was 4/1.