Miami Dolphins tight end Dustin Keller was carted off the field during Saturday night's 24-17 preseason loss to the Houston Texans with what appeared to be a serious right knee injury.
Texans safety D.J. Swearinger broke up a pass intended for Keller, going low while making direct contact with his helmet against the tight end's knee. Keller's leg bent backwards, and he was visibly shaken after the injury.
Keller will have an MRI on his leg Sunday, a person informed of the injury told NFL.com's Ian Rapoport.
The tight end, who signed a one-year, $4.25 million contract in the offseason, was slated to be Miami's starting tight end. He has shown good chemistry with quarterback Ryan Tannehill in training camp and the preseason.
If Keller is out for a while, the Dolphins will ask Charles Clay, Michael Egnew and rookie Dion Sims to step up. It would be a big loss for a Dolphins offense that is searching for an identity.
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