UFC 168 live chat: Chris Weidman vs. Anderson Silva 2

Chris Weidman knocks down Anderson Silva with a

Chris Weidman knocks down Anderson Silva with a left hook to the chin during the second round of their championship fight at UFC 162. (July 6, 2013) (Credit: Newsday/Mario Gonzalez)

Baldwin native Chris Weidman defends his UFC middleweight title against Anderson Silva Saturday night in UFC 168 at the MGM Grand Garden Arena in Las Vegas.

Weidman beat Silva via second-round knockout last July to claim the title in one of the most stunning upsets in UFC history.

Ronda Rousey and Miesha Tate will also fight for the UFC women's bantamweight title in the co-main event.

Follow all the action with Newsday's MMA reporter Mark La Monica, who is ringside in Vegas, with our UFC 168 live chat. (App users can access the chat by tapping the above link.)

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