NFL officials will no longer go 'under the hood' but use tablets for replay reviews instead
The NFL kicks off global review to consolidate its $400 million media account, Media
NFL review system puts ESPN, Fox, CBS and NBC in tough spot - Sports Illustrated
Madden NFL Football Review (3DS)
Reviewable and non-reviewable plays: How it works in the NFL
How instant replay impacts the psyche and performance of officials
NFL owners vote no on replay review of roughing the passer
Report: NFL owners to review NFL+ amid complaints - SportsPro