In terms of the ideal physical specimen at each position:
QB: Peyton Manning: very tall, big arm and smart
RB: Adrian Peterson: tree trunk legs with size and speed
WR: Randy Moss/Calvin Johnson: very tall and fast
TE: Gronk: Huge physically, can catch and block
T: Vilenueva from the Steelers: size and strength
G: Yanda/Trai Turner: mostly strength and nastiness
C: Alex Mack: smart and strong
4-3 DE: Clowney/Julius Peppers: Size, strength, quick burst, ability to dominate
4-3 DT: Aaron Donald: low center of gravity, strong, quick burst.
3-4 DE: JJ Watt: Strength, power at the point of attack.
NT: Eric Wood: wide body and strength to clog the interior of the line.
4-3 MLB: Kuechly/Wags/Deion Jones: sideline to sideline speed, ability to sift through traffic, pass defense is a must in today’s game.
3-4 ILB: Ryan Shazier: size, sideline to sideline speed. Blitzing ability.
3-4 edge linebacker: Von Miller: vicious speed off the edge and knowledge of pass rushing technique.
CB: Richard Sherman: size/length, quickness in space and good body control
SS: ET, Eric Weddle: good pass defense instincts, chase down speed,
FS: Kam Chancellor/Keanu Neal: huge hitters, intimidation factor, good play diagnosis skills