Wisconsin DB Natrell Jamerson runs a 4.40 on the 40-yard dash

Name: Wisconsin DB Natrell Jamerson runs a 4.40 on the 40-yard dash
Uploaded: 2018-03-05T19:42:35+00:00
Duration: 39 s
Channel: NFL Official
Description: Watch Wisconsin defensive back Natrell Jamerson run a 4.40 on the 40-yard dash at the 2018 NFL Combine.