Check out the new Rockets.com homepage. From the Rockets' twitter account... teaser for the slogan this year.
My guess to is Red Redemption. It fits with a team trying to get back to elite or playoff level status in the league. Got our big man back so it's time to get back what is "ours". Winning games is the best redemption.
The Rippin' and the Tearin', The Rippin' and the Tearin'... <object width="640" height="385"><param name="movie" value="http://www.youtube.com/v/YVtEX1J7tXQ?fs=1&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/YVtEX1J7tXQ?fs=1&hl=en_US" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="640" height="385"></embed></object>
I could see it being Red Rising. I kinda like Red Riot but highly doubt the Rockets would incorporate the word Riot.