folks I'm most impressed with:
Michael Schumacher: I LOVE F1 and at the pinnacle of the sport is the most unbelievably dominant and talented driver in history. His records are beyond amazing for ANY sport, particularly his. He has WON more races than most drivers ever even start in their careers, and shows no sign of letting up (though he's now the oldest in the field)... disciplined, could go on and on about this guy... sets the bar for excellence.
Lance Armstrong: I can't even imagine where this guy finds the tenacity and intensity to do what he does, truly remarkable... nuff said.
Roger Federer: Most graceful, well rounded and naturally gifted tennis pro possibly ever. Agassi gets a nod for his work ethic and consistency (amazing for his age still). I personally believe that if he were to get himself a coach and take his training up a notch or two he could stay at the top as long as he wants.
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Ray Lewis/Peyton Manning: For almost opposite reasons these two always impress me as being truly elevated among pretty much everyone else in the league, although the NFL is SO team oriented it's impossible to pick one stand alone person. Ray Lewis is a total beast/animal/freak, and I swear he has 100% nitroglycerin pumping through his veins. Manning's methodical approach and analytical abilities combine with his raw talent and work ethic to make him the most consistent, dangerous passer and (for all intents and purposes) offensive coordinator in the league.
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quick mention of other greats:
Jerry Rice: undoubtedly the best player at his position in history, arguably the "best" football player of all time
Wayne Gretzky: called "The Great One" for a reason, set an absurd number of records
Pete Sampras: 14 Grand Slam titles, 6 years in a row ranked #1 (286 total weeks), 762 career wins, etc... Federer looks awesome but he has a looong way to go to come close to this man.
Jordan: duh. owned like no other. made grown, professional basketball players look like inept children year after year.