Asked Wednesday what percentage of current NFL defenders don't know how to properly tackle, Whitner answered, "Somewhere near 50." "You have guys just running in there diving at people's feet.

Not only are textbook tackles more effective, but they're also safer. This is why the NFL has teamed up with USA Football in order to teach the youth how to tackle properly and safely. By training ...

USA Football: Form tackle Coach Bobby Hosea teaches players how to properly, and effectively, tackle without leading with the head.

Without proper balance, you are prone to either missing the runner entirely if he makes a cut, or you’ll attempt to make an arm tackle, which normally doesn’t work.

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Johnson's fellow tackle on the Eagles' offensive line, Jordan Mailata, is the highest graded tackle in the NFL according to Pro Football Focus (94.9).

The possibility of young girls growing up to play professional tackle football is the vision Odessa Jenkins had in mind when she founded the Women's National Football Conference (WNFC). "The ...