http://archive.is/CCBMy

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The problem with trying to flatten athleticism into a single dimension is illustrated especially well by a 2004 study published in The Journal of Sports Sciences. The study analyzed testosterone and different types of strength among men who were elite amateur weight lifters and cyclists or physically fit non-athletes. Weight lifters had higher testosterone than cyclists and showed more explosive strength. But the cyclists, who had lower testosterone than both other groups, scored much higher than the others on “maximal workload,” an endurance type of strength.

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because cyclists specifically trained to perform better on a larger span of time and that doesn't require the same physical strength of weighlifters. but all things being equal, a cyclist with higher testosterone will have better results than one with less T.

It's a faulty comparison: it's like pitching a 6'5 swimmer against a 6' basketball player. the second will trash the first in a basket match regardless of his lower height but it doesn't mean height is ininfluential.