[fullmetal]

"Quarterbacks don't do it alone" 

Okay well delay of game penalties, staring down receivers while taking sacks, fumbling the snap, throwing short completions to wide open receivers into the dirt (worm burners, dirtballs, etc), a propensity for throwing interceptions, lacking pocket awareness and ability to escape properly...

...yes quarterbacks do "it" alone, if "it" means single-handedly tank a team's chance of winning.

[fullmetal]

"Quarterbacks don't do it alone" 

Okay well delay of game penalties, staring down receivers while taking sacks, fumbling the snap, throwing short completions to wide open receivers into the dirt (worm burners, dirtballs, etc), a propensity for throwing interceptions, lacking pocket awareness and ability to escape properly...

...yes quarterbacks do "it" alone, if "it" means single-handedly tank a team's chance of winning.