SI.com's Peter King writes letter of caution to NFL players

[GMDino]

(01-15-2016, 10:28 AM)BigPapaKain Wrote: I believe the term for laying on top of a defender is 'holding'.

No...you can lay the defender down when you are a lot better at block than them and they grab your shoulder pads and pull down on you.  Officials don't often call "laying on the defender" even if they should occasionally.