UFC 163 takes place tomorrow night at the HSBC Arena in Rio de Janiero, Brazil with the main event of UFC featherweight champion Jose Aldo defending his title against Chan Sung Jung. In the co-main event, former UFC light heavyweight champion Lyoto Machida squares off against Phil Davis in light heavyweight action.
The weigh-ins for UFC 163 take place today at the HSBC Arena, with the fighters tipping the scales starting at 3 p.m. ET.
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