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What to watch for at UFC 90

By Michael Woods
Special to ESPN.com

Thursday, October 23, 2008

The UFC invades Chicago on Saturday with Anderson Silva, the sport's top pound-for-pound practitioner, headlining the event. Here are some talking points on UFC 90. 1. Weight and see Flip-flopping between weight classes is seen as a potential career killer in the fight game, as the wear and tear on the body while an athlete goes from mega to mini, or micro to maxi, can lead to losses of energy and muscle (and just plain losses). We'll see how 33-year-old Anderson Silva (22-4) handles the flo ...

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