Karutz clamped them firmly to my head, tight enough to block out the light.

NEWYORKER: The Visionary

Perhaps the receiver's route will change, a protection will be altered, or a tight end who was held up to block will instead go down the field.

WSJ: For the New York Giants, Sequels Tend to Outdo the Originals

In an era of professional football defined by specialization defensive ends who play only on passing downs, running backs who only catch passes, tight ends whose lone job is to block the Patriots under Belichick have bucked conventional wisdom.

WSJ: Bill Belichick, the Mad Scientist at Work

Each enormous block is perfectly cut, polished smooth and fitted so tight not a sheet of paper would slip between them.

BBC: The perfect trip: Egypt