Rose injury has Adidas scrambling for backup plan
Biggest Sports Rule Changes of the Last 15 Years
NFL making thigh and knee pads mandatory in '13 – Macomb Daily
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Legends Football League, American Football Database
NFL Players Will Be Required To Wear Knee And Thigh Pads In 2013
The N.F.L.'s Incredible Shrinking Pads - The New York Times
NFL players must adjust to new padding requirements -- or else
Giants' Jason Pierre-Paul says he doesn't need double-digit sacks