Dean Blandino Explains the Reasons Behind Some of the XFL's Rules
NFL tweaks its replay rules again
Dean Blandino explains potential NFL rule changes - NBC Sports
NFL issues statement on officiating mistake in Giants-Redskins
NCAA releases video explaining updated targeting, replay rules
XFL changes rule to allow head coaches to challenge any play: Will
Detroit Lions lead charge to change NFL instant replay rules
NFL VP officiating Dean Blandino on whether Dez caught it, running
Behind the scenes at the NFL's new replay review center in New
NFL approves rule changes for roll-up blocks, replay
Despite calls for major change, NFL makes simple tweaks to replay
Fans Can Look Forward to Some Major Changes in NFL Games - Bloomberg