New York Jets defensive coordinator Gregg Williams is concerned about the lack of versatility in the team's secondary.

According to The Athletic's Connor Hughes, the Jets' secondary has been hit with an assortment of injuries. These include Derrick Jones and Bless Austin. Undrafted rookie cornerback Kyron Brown has been the top performer during offseason training.

Williams told Hughes versatility is the key in overcoming injuries.

“One of the things we do is you have to learn more than one position. You can't just be a one-position dominant person. When you do that, it's the next-man-up philosophy. How you get through an injury-plagued game, an injury-played season is ‘Who's the next best athlete?' Not the next guy on the depth chart at that position. Our guys have already started doing that.”

The Jets finished 24th in passing defense in the NFL last season. They allowed 4,065 passing yards to their opponents. If they want to improve on this aspect, they have to embrace Williams' philosophy.

Williams will rely primarily on his Big Three on defense in 2019: safety Jamal Adams, inside linebacker C.J. Mosley, and defensive lineman Leonard Williams. They should help turn the Jets' fortunes around once the new NFL season kicks off.

But those three can only do so much and players from other positions filling in can only go so far. It'll be up to new general manager Joe Douglas to provide his defensive coordinator with more capable defensive backs who are able to carry out Williams' defensive gameplan.