Jay Gruden concerned by lack of depth at safety and cornerback

BOCA RATON, Fla. — Jay Gruden loves the passion and energy that Duke Ihenacho brings to the field. The only problem is that the Washington Redskins haven’t had a chance to see it much over the last two seasons.

Ihenacho broke his wrist in last year’s season-opener against the Miami Dolphins — which landed him on injured reserve for the second consecutive year. After signing with the Redskins in 2014, the 26-year-old broke his foot in Week 3. The Redskins retained the restricted free agent on a one-year deal and are eager to see what he can do this season.

“The games he did play, he really was a sound tackler, a physical player which is what we liked,” Gruden said on Wednesday at the NFL’s…