Not that I know of. A lot of people just suspect he is because of the big year he is having.
Says Davis: "It's extremely frustrating that people would just assume I was on something because I'm having success,"
Interesting...
http://www.boston.com/names/2013/09/17/new-york-mayoral-candidate-pledges-allegiance-the-sox/2skHpysu2PTGgTKnB8eCSL/story.html