NFL Scouting Combine is underway this week, and it kicked off Thursday with the defensive linemen and linebackers taking the field for workouts. And it's a group that will mostly certainly be researched by the Chicago Bears.

Two big positions of need for the Colts are at cornerback and safety. Here are the top 5 NFL combine performers from those positions.

NFL Draft will feature the most athletic strong safety in NFL combine history: South Carolina's Nick Emmanwori. In fact, he's one of the most athletic prospects of all-time in the officially recorded combine era,

Former Texas football tight end Gunnar Helm took part in NFL combine events. Here’s how he did, including his 40 time.

Former Georgia football safety Malaki Starks took part in NFL combine events. Here’s how he did, including his 40 time.

Former Florida State football cornerback Azareye'h Thomas took part in NFL combine events. Here’s how he did, including his 40 time.