Kevin Zeitler is the first to admit he never saw it coming. One moment he’s lifting weights as an offensive guard for the Cleveland Browns. The next, he’s reacting to just having been traded to the New York Giants for defensive end Olivier Vernon.

The free-agent market is loaded with safeties, and SiriusXM NFL Radio analyst David Diehl believes there are plenty of good ones to be signed at a time when the position has become more important than ever.