Blue of course. Partly because they are frequently cast as the underdogs, see the TF2 'Meet the...' videos, for example.
Also because they're clearly the protagonists in Red vs. Blue. The Reds (mainly Sarge) have basically screwed up everything and prevented anything good from happening. I mean, they blew up Tucker's baby and Tex!
Also because they're clearly the protagonists in Red vs. Blue. The Reds (mainly Sarge) have basically screwed up everything and prevented anything good from happening. I mean, they blew up Tucker's baby and Tex!