Once you get locked into a serious lineman collection, the tendency is to push it as far as you can

The Browns have added Rex Hadnot and re-signed Seth McKinney.Assuming the starting line that finished out last season -- Joe Thomas, Eric Steinbach, Hank Fraley, Ryan Tucker, and Kevin Shaffer -- hold on to their starting jobs, that gives us a backup line of Nat Dorsey, Lennie Friedman, Rex Hadnot, Seth McKinney, Isaac Sowells, and LeCharles Bentley. That backup line is better than most of our pre-2007 starting lines. Of course, Pete Prisco at CBS thinks that O-line depth is one of our "needs".So what's the deal? Is Phil Savage overly concerned about injuries? Its not a terrible thing, given the age of Tucker and Fraley and Bentley's situation over the past two years.But I also wouldn't be surprised if we saw a Kevin Shaffer trade on draft day. I'm sure Savage would be comfortable shifting Ryan Tucker back to right tackle and letting McKinney or Hadnot start at guard. That wouldn't be an improvement, but if it could get us back into the third round I ...