Posted by ESPN.com's Tim Graham
ESPN's Chris Mortensen, citing sources familiar with Pennington's condition, reports last year's MVP runner-up will miss the rest of the season because of a right shoulder injury.
Pennington often joked over the offseason that his main goal was to avoid an injury in consecutive seasons for the first time since 2002.
"No. 1, I want to stay healthy," Pennington said. "I feel like when I stay healthy, I give my team a really good chance to win. History has proven things go pretty well when I stay healthy."
History also has proven Pennington doesn't stay healthy for long.
Pennington has undergone surgery on his throwing shoulder twice and dealt with a foot injury in 2007 that forced him overhaul his mechanics.
He remained injury-free last year and was the driving force in the Dolphins' single-season turnaround from laughingstocks to AFC East champs. He won his second Comeback Player of the Year Award.
But that means, by definition, he has been honored for returning from two serious problems.
Since 2004, Pennington has started 45 of a possible 48 games in even years.
If Pennington's second medical opinion is as grim as his first diagnosis, then he will have started 14 of a possible 48 games in odd years.