![NFL introduces Guardian Caps across league to limit number of brain injuries in preseason - masslive.com NFL introduces Guardian Caps across league to limit number of brain injuries in preseason - masslive.com](https://www.masslive.com/resizer/QftxUXo_h7dWc6CccLaEXrl0w-Y=/800x0/smart/cloudfront-us-east-1.images.arcpublishing.com/advancelocal/KLCAU4ZTRNCXNFK7P2BMQ6CHZM.jpg)
NFL introduces Guardian Caps across league to limit number of brain injuries in preseason - masslive.com
![Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN](https://a3.espncdn.com/combiner/i?img=%2Fphoto%2F2021%2F0904%2Fr904555_1296x729_16%2D9.jpg&w=570&h=321&format=jpg)
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
![Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN](https://a.espncdn.com/combiner/i?img=%2Fphoto%2F2021%2F0904%2Fr904543_1296x729_16%2D9.jpg&w=570&h=321&format=jpg)
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
![Steelers linebacker speaks cautiously, but he's clearly not a fan of NFL's protective Guardian Caps | TribLIVE.com Steelers linebacker speaks cautiously, but he's clearly not a fan of NFL's protective Guardian Caps | TribLIVE.com](https://assets-varnish.triblive.com/2022/08/5297385_web1_ptr-Steelers12-080122.jpg)
Steelers linebacker speaks cautiously, but he's clearly not a fan of NFL's protective Guardian Caps | TribLIVE.com
![Guardian Caps leave some NFL players and coaches with concerns: 'You feel like a bobblehead' | Sporting News Guardian Caps leave some NFL players and coaches with concerns: 'You feel like a bobblehead' | Sporting News](https://library.sportingnews.com/styles/twitter_card_120x120/s3/2022-07/Guardian-Cap-073022-getty-ftr.jpg?itok=rWIJMWcG)