Niners’ acquisition of Wright underscores importance of cornerbacks

The 49ers gave Eric Wright his latest second chance for the same reason the Bucs gave him so many.  Wright plays cornerback, a position of increasing importance as the run-pass pendulum swings more and more toward seven-on-seven in pads. The Buccaneers, who signed Wright to a five-year, $35.7 million deal last year in large part…