Agent says Dustin Keller is “good to go” from serious knee injury

Dustin Keller’s 2013 season came to an abrupt end before it was even able to get started. Keller had his knee obliterated in a preseason game between the Miami Dolphins and Houston Texans last August. Texans safety D.J. Swearinger collided with Keller’s knee trying to make a tackle. The blow proved devastating to Keller’s knee.…