Roger Federer is the greatest athlete of all time.

"To be the greatest athlete ever you at least have to be the best in your respective sport..."Not necessarily true. You then show two lists in which he is not ranked in each's top ten. Jackson was, however, voted as the greatest athlete of all time by ESPN. Numero uno. As the head of the survey said, "Being an athlete is a different analysis... We are not discounting how great of a player an athlete was, but we're factoring in different aspects, for example, we will look at strength, power, speed, quickness, reaction time, endurance, durability, in addition to weighing in on an athlete's resume, clutch performances and the overall difficulty of their sport." Bo Jackson beat out all the other athletes that made it into the bracket. (1)Oh, and I'll give you three guesses who Jackson beat out in the very first round. Something tells me you know. And to show another list, Federer isn't even in the top five in the Association of Tennis Professional's ranking. (2)"Roger Federer is hands down the best tennis player of all time because he has more grand slams (17) than anyone else. Which is the stat that is usually used to measure the best of all time in tennis. Also he dominated in the best era of players tennis has ever had..."Key word in all of those statements being "tennis". Federer does not have the strength or stamina to handle a sport like football. This is not a matter of opinion- they guy just wasn't built for it. Same goes for baseball, at least less so. I'll give Federer the benefit of the doubt that he could handle the endurance portion of baseball, but the actual act of hitting the ball would be beyond him. Rackets and bats are not equal playing fields. The conditioning required for baseball and football are incredibly difficult, and a sport like tennis does not require such endurance. This isn't to say that tennis is easy- Federer being called one of the greatest athletes of all time speaks to the fact that it requires skill. But Jackson beating out Federer by a substantial margin in two sports outweighs Federer beating Jackson that same margin at one.Also, one does not become "hands down the best" because they have the most of one award. We can't forget that he's tied with Pete Sampras for most Wimbledon singles champions and US Open singles titles (along with Jimmy Connors). (4) Federer also barely edged out Sampras for weeks spent at World No. 1. (5)"...keep in mind Roger is 32 and most players best years are well in the past at his age."Jackson was still playing just shy of 32. Same concept applies.___I wanna give you a few facts about Bo Jackson.1. In 1985, Jackson was awarded the coveted Heisman trophy- "The most prestigious award in collegiate football"2. The following year, Jackson set the record for fastest 40-yard dash in the NFL, which remains 25+ years later.3. On this note, Jackson was also offered a career in track and field for his sprinting capabilities, speaking to his phenomenal ability in multiple sports.4. Jackson is still the only athlete to be named an All-Star in two major-league American sports.And this is the best one...5. In 1991, during a football game, Jackson was tackled and left his hip incredibly damaged (Jackson alleges that the hip was dislocated, and that he moved it back into its socket). This ended his football career. Jackson, undaunted, went on to make a recovery, and continued to play baseball despite having a fake hip. Not only this- on his first at-bat, he hit a home-run. Still not satisfied, Jackson tried his hand at basketball, and ended up on a semi-pro team. Only a phenomenal athlete could get a hip replaced, continue a baseball career, and end up on a semi-pro team of a completely new sport.All facts come from (3).___1. http://www.al.com...2. http://www.atpworldtour.com...3. http://en.wikipedia.org...4. http://en.wikipedia.org...5. http://en.wikipedia.org...