yes it does
A sack is when a quarterback is tackled for a loss of yardage.
Yes, sack of rice is a count noun:The singular is a sack of rice.The plural is sacks of rice.
TFL in football stats stands for TFL - Tackle For Loss.
No, it is not considered a tackle. Technically when a quarterback goes down behind the line of scrimmage it is considered a sack. However, when a quarterback takes a knee, he is credited with a -1 yard rushing but no defender is credited with the tackle/sack.
AFAIK, It's a safety, not a sack.
A sack. For example: "Although the quarterback scrambled to get out of the pocket, he just couldn't avoid the sack."It's a sack as long as the QB is on his side of the line of scrimmage. If he crosses the line, it becomes an ordinary tackle.
No it does not. A fumble is a fumble, while a sack is a sack.
Yes
yes
When two players reach the quarterback at the same time and make the tackle, the sack is divided between the two players. Same with tackles ... you might see in the game's statistics where a defensive player had 5.5 tackles. This is because, when two players are responsible for bringing the ball carrier down, regardless of whether it is the quarterback or another offensive player, the sack/tackle is divided between the two defensive players.
The Left Tackle is generally one of the best offensive line man. A majority of the time the Left Tackle blocks the Defensive End. However if the play runs to the right the Tackle would get the Will (weak side) Linebacker.