... to judge. Unlike ranking quarterbacks, running backs are not defined nearly as much by winning as the signal callers. One of the main reasons for this is that running backs' stock is usually hurt by having tons of talent around them. It is perceived, whether wrongly or not, that they are undoubtedly helped when they have great talent around them. Therefore, the more talent they have around them, the more likely they are to have won a lot. Hence, many of the backs on our list were viewed as being so incredible because they did so much with so little help. As the argument goes, if you put Barry Sanders behind Emmitt Smith's offensive line and vice versa, their career totals would be undoubtedly different. Statistical analysis is limited...

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