D.J. Moore wants to play safety. Don't laugh.

The 5-foot-9, 185-pound Bears defensive back, who officially becomes an unrestricted free agent March 12, spent the start of the offseason contemplating how he could make a bigger impact. A position switch was his final conclusion.

"Playing safety, you affect the whole field,'' he said. "You have to do more than at corner. And as far as playing the deep pass, I can read the quarterback better than anybody.''

Obviously Moore's confidence never wanes, even after losing his nickel back role to Kelvin Hayden last season. It all but marked the end of his time with the Bears, although the old coaching staff was pleased with how he handled the demotion.

Oddly enough, the Bears might need someone to fill the nickel back role this season. Tuesday's final day of the NFL scouting combine gave them a chance to dissect what general manager Phil Emery called a deep group of defensive backs.

The Bears could use some depth at cornerback anyhow, so it wouldn't be a surprised to see a rookie get an opportunity at nickel — although having to cover a star slot receiver, maintain blitz responsibilities and tackle in the middle of the field might be tough for a first-year player. They also have expressed a desire to keep the physical Hayden, but the 29-year-old veteran — like Moore — wants a chance to be a starter. Hayden also becomes a free agent next month.

As for Moore, the former fourth-round draft pick sees no chance ever to start at cornerback with Charles Tillman and Tim Jennings around. His desire to play safety wouldn't work in Chicago, either.

"You have two All-Pro corners and two (solid) safeties,'' Moore said. "Once you've been somewhere for a certain period of time, it just becomes harder for someone else to break through. I'm good enough to play every down. I just need a better chance.'' - See more at: http://www.chicagotribune.com/sports/football/bears/ct-spt-0227-bears-dj-moore-chicago--20130227,0,4462967.story#sthash.gnYVYF8B.dpuf