Dolphins TE Dustin Keller was carted off the field during Saturday night's preseason game with a right knee injury. Texans rookie S D.J. Swearinger unloaded on Keller's right knee following a short reception. Keller's knee bent back awkwardly and he was in obvious pain on the ground, cussing before the cart came out. It'll be a shame if Keller's season is over, because he was betting on himself with a one-year contract. Keller had also shown excellent chemistry with Ryan Tannehill in August.