Freak

I didn't put a whole lot of thought into my picks, so feel free to disagree.

NFL

QB (all-time): Peyton Manning (after the SB, we can stop kidding ourselves)
QB (right now): Peyton Manning

RB (all-time): Jim Brown
RB (right now): LaDainian Tomlinson

TE (all-time): Kellen Winslow
TE (right now): Antonio Gates

WR (all-time): Jerry Rice
WR (right now): Steve Smith

OL (all-time): Bruce Matthews
OL (right now): Walter Jones

DL (all-time): Reggie White
DL (right now): Richard Seymour

LB (all-time): Lawrence Taylor
LB (right now): Brian Urlacher

CB (all-time): Deion Sanders
CB (right now): Champ Bailey

S (all-time): Ronnie Lott
S (right now): Ed Reed