EAST RUTHERFORD, N.J. -- As is the case elsewhere on the roster, the week-to-week changes in the New York Giants' secondary have largely been out of necessity. Cornerback Corey Webster got hurt in Week 3. Safety Will Hill was suspended for the first four games of the season. Cornerback Terrell Thomas is making his way back from a third major knee reconstruction. Because of those and other factors, the Giants have changed the ways in which they have doled out playing time among their defensive backs so far in 2013...