2017 NFL scouting combine

Michigan's Jabrill Peppers joined the defensive backs for on-field workouts after testing with the linebackers the previous day.

UConn safety Obi Melifonwu was one of Monday's standouts, running a 4.40-second 40-yard dash at 6-4, 224 pounds.

USC cornerback Adoree' Jackson runs the 40-yard dash.

Michigan's Jabrill Peppers will likely be an NFL safety, but he worked out as a linebacker, his college position, Sunday.

It's become a tradition at the combine: NFL Network announcer Rich Eisen runs the 40-yard dash for charity.

Villanova defensive lineman Tanoh Kpassagnon goes through workout drills on Sunday.

Wisconsin linebacker T.J. Watt runs through drills in the hopes of joining brother J.J. to the NFL.

Texas A&M DE Myles Garrett prepares to show simulated quickness off the snap Sunday at the scouting combine.

Texas A&M DE Myles Garrett runs the 40-yard dash Sunday.

Texas A&M DE Myles Garrett shows off his pass-rushing moves Sunday at the combine.

Alabama DL Jonathan Allen goes through workout drills Sunday.

Michigan State DT Malik McDowell does the broad jump Sunday.

Missouri DE Charles Harris runs a drill Sunday at the combine.

Louisiana Tech wide receiver Trent Taylor goes through pass catching drills on Saturday.

Clemson wide receiver Mike Williams catches a pass on Saturday.

Ohio State wide receiver Curtis Samuel goes through pass catching workout drills on Saturday.

Louisville wide receiver James Quick goes through pass catching drills.

Notre Dame quarterback DeShone Kizer has the speed of his throw timed on a radar gun.

Clemson quarterback Deshaun Watson in action on Saturday.

Penn State wide receiver Chris Godwin runs the 40-yard dash.

LSU Tigers running back Leonard Fournette goes through workout drills during the 2017 NFL Combine at Lucas Oil Stadium.

UTEP running back Aaron Jones jumps up to stretch his legs before running the 40 yard dash during the 2017 NFL Combine at Lucas Oil Stadium.

Stanford Cardinal running back Christian McCaffrey runs the 40 yard dash during the 2017 NFL Combine at Lucas Oil Stadium.

UTEP running back Aaron Jones jumps up to stretch his legs before running the 40 yard dash during the 2017 NFL Combine at Lucas Oil Stadium.

Tennessee Volunteers running back Alvin Kamara runs the 40 yard dash during the 2017 NFL Combine at Lucas Oil Stadium.

North Carolina A&T running back Tarik Cohen goes through workout drills during the 2017 NFL Combine at Lucas Oil Stadium.

Pittsburgh Panthers running back James Conner goes through workout drills during the 2017 NFL Combine at Lucas Oil Stadium.

Florida State Seminole running back Dalvin Cook does the vertical jump during the 2017 NFL Combine at Lucas Oil Stadium.

LSU running back Leonard Fournette gets measured on Friday.

Stanford running back Christian McCaffrey performs in the bench press at the 2017 NFL football scouting combine Thursday, March 2, 2017, in Indianapolis.

Kentucky running back Stanley Williams performs in the bench press at the 2017 NFL football scouting combine Thursday, March 2, 2017, in Indianapolis.

Miami of Ohio offensive lineman Collin Buchanan is measured for flexibility at the NFL football scouting combine Friday, March 3, 2017, in Indianapolis.

Temple offensive lineman Dion Dawkins prepares to run the 40-yard dash at the NFL football scouting combine Friday, March 3, 2017, in Indianapolis.

Utah offensive lineman Garett Bolles runs the 40-yard dash at the NFL football scouting combine Friday, March 3, 2017, in Indianapolis.

Indiana offensive lineman Dan Feeney runs a drill at the NFL football scouting combine in Indianapolis, Friday, March 3, 2017.

Texas Christian offensive lineman Aviante Collins runs a drill at the NFL football scouting combine Friday, March 3, 2017, in Indianapolis.

Miami of Ohio offensive lineman Collin Buchanan runs a drill at the NFL football scouting combine Friday, March 3, 2017, in Indianapolis.