Miami has used second round picks on QBs 3 of the last 4 years, after many years of not drafting a QB at all.
John Beck didn't work out well.
The jury is out on Chad Henne and Pat White. But as I noted a couple of weeks ago, the top 25 QBs of all-time (and the best of QBs of this era) all started at least one game in their first year in the league, with the notable exceptions of Norm Van Brocklln and Phillip Rivers; both of them sat behind an all-pro while they waited.
And as I noted also, that likely means that Henne will never be one of the great QBs of all-time. So what should the Dolphins do? Draft another QB? Play Henne and see where it goes? Give Pat White a go? All of the above?
At 0-3, certainly its time that they try something other than Pennington; and that's especially true if Pennington's injury is severe.
I personally feel that they should go with Henne for a couple of weeks, rotating in White when possible. And then they should try White for a while in a couple of weeks.