I don't follow celeb news very much either, but I have heard rumors that Jake tends to bat for the other team, so
ETA: OK, maybe he doesn't:
http://www.popeater.com/2010/09/24/adam-levine-out-interview/
ETA: OK, maybe he doesn't:
"I've known this dude forever. He's one of my oldest friends, and it's very weird that they have this -- it's very immature and infantile the way they treat his whole situation. If him hanging out with his bros means he's gay, it's like further perpetuating that weird homophobia that exists in our culture, which is just stupid."
http://www.popeater.com/2010/09/24/adam-levine-out-interview/