Tannenbaum: Sanchez didn’t improve enough in 2011

The Jets won’t rule out going after Peyton Manning, in part because Mark Sanchez has a lot of improving left to do. I spoke with Jets G.M. Mike Tannenbaum at the Combine for NBC SportsTalk Thursday and asked whether Sanchez improved enough in 2011. “Not enough,” Tannenbaum said. “Not consistently. The great thing abut Mark is…