Game Changers

2. the beginning of each down of play, with the ball placed on the ground between the offensive and defensive lines
4. legal; conforming to the rules
6. expressed in terms intended to persuade or impress
7. a tactic used by the defense to disrupt pass attempts by the offense
8. the action of replacing someone with another person
10. a foolish or easily deceived person
12. one of the upright markers that are positioned at the corners of the end zone
14. excessively anxious
15. a formal promise or assurance

1. (of something restrictive or too tight) make (a part of the body) sore by rubbing against it
3. when a receiver successfully catches a pass
5. appoint (someone) to a specified position
9. nomenclature as a field of study
11. when you throw the ball past the person you're aiming for
13. a person who is impetuous or who easily becomes angry and violent