New NFL rule will require thigh and knee pads, and some Cleveland Browns are among the players who don't like it - cleveland.com
Players threaten not to wear newly mandated leg pads - CBSSports.com
NFL players must adjust to new padding requirements -- or else
NCAA Proposes Football Rules Changes
Football Knee Pads
What's the deal with Georgia players no longer wearing knee pads?
NFL players willing to pay fines rather than wear knee and leg pads
Mandatory padding? A tough sell for skill players - National Football Post
The N.F.L.'s Incredible Shrinking Pads - The New York Times
How come NFL players have no pads directly on their knees? - Quora
Are Knee Pads Required in College Football? Exploring Safety Rules
NFL players must adjust to new padding requirements -- or else
:format(jpeg)/cdn.vox-cdn.com/photo_images/1165991/GYI0061606191.jpg "Knee and Hip Pads Required for NFL Players in 2013 - Behind the Steel Curtain")
Knee and Hip Pads Required for NFL Players in 2013 - Behind the Steel Curtain
New NFL rules: Leg, thigh pads are mandatory to protect players
League mandates use of knee and thigh pads | Sports | gazette.com
Cover those knees with pants and pads, Spiders learned, or be asked to leave the football field
NFL insists on thigh and knee pads in 2013 - ESPN - Fandom - ESPN Playbook- ESPN
U.Va. Researcher Leads NFL Thigh Pad Testing in Support of New Mandate | UVA Today
Uniform Inspections | NFL Football Operations
Why Don't Football Players Wear Knee Pads Anymore? Find Out!
NFL reminds teams that thigh and knee pads are mandatory - NBC Sports
NFL makes knee and thigh pads mandatory for 2013-14 season | CTV News
