No there is not
A offensive player can terminate a play at anytime by surrending and not advancing
No, that rule has been in college football for a long time but has never been adopted by the NFL.
See Web Links for NFL Rule book
No they RULE!
NFL player Robert McClain played for Connecticut.
NFL player Charles Woodson played for Michigan.
The weakest NFL player is Ray Lewis
To the owner
the nfl started in 1936 and the first player was Jay Berwanger
NFL player Michael Floyd played for Notre Dame.
NFL player Brandon Williams weighs 335 pounds.