You could make a case for every area on a team.  But if you have build a team by group what area do you think a team should need most?

QB- you have to have a field general right?  At least a guy who can win some games for you while not blowing any.

RB- you have to be able to run the ball effectively to win it all don't you?

WR- You need a veteran group that run precise routes, has speed, and size

OL- you win games in the trenches.  The o-line is important because you need good pass protection and have to be able to run the ball.

DL- The front four need to be dominant against the run and be able to pressure the passer.

LB- you need speed and sure tackling.  You also need LBs that can get into coverage

secondary- If teams can't pass on you and you have a strong run stopping secondary you can stop almost anyone

K/ST- You need a steady kicker.  a guy who is automatic and can hit the pressure packed long field goal anytime and anywhere.  You also can make a shorter field if you get good return yards.

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