Its like chess pieces. What do you sacrifice?
An elite OL is a rook. A flex WR is a pawn.
Here's how I see the positions as they relate to chess piece values
QB: Queen (9 pts)
OT: Rook (5 pts)
C/OG: Knight (3 pts)
WR/RB: Pawn (1 pt)
TE: Bishop (at Miami TEs are more important than...