Conor McGregor reacts after defeating Jose Aldo for the featherweight title at UFC 194 in Las Vegas.
(John Locher / Associated Press)
Conor McGregor reacts after defeating Jose Aldo during a featherweight championship bout at UFC 194 in Las Vegas.
(John Locher / Associated Press)
Luke Rockhold prepares to face Chris Weidman in a middleweight championship bout at UFC 194 on Dec. 12.
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Luke Rockhold throws a left hand at Chris Weidman, left, during their middleweight championship fight at UFC 194 on Dec. 12 in Las Vegas.
(John Locher / Associated Press)
Chris Weidman, above, fights Luke Rockhold in a middleweight championship bout at UFC 194 in Las Vegas.
(John Locher / Associated Press)
Chris Weidman is attended to between rounds of his middleweight championship fight with Luke Rockhold at UFC 194 in Las Vegas.
(John Locher / Associated Press)
Luke Rockhold rests between rounds of hig middleweight championship bout with Chris Weidman at UFC 194 on Dec. 12 in Las Vegas.
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Tecia Torres (top) punches Jocelyn Jones-Lybarger in a strawweight fight during UFC 194 on Dec. 12 in Las Vegas.
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Tecia Torres celebrates her victory over Jocelyn Jones-Lybarger in a strawweight fight during UFC 194 on Dec. 12 in Las Vegas.
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Frankie Saenz, left, locks up Urijah Faber during a bantamweight bout at UFC 194 on Dec. 12 in Las Vegas.
(John Locher / Associated Press)
Frankie Saenz lands a kick on Urijah Faber, right, during a bantamweight bout at UFC 194 on Dec. 12 in Las Vegas.
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Jeremy Stephens throws a kick at Max Holloway, left, during a featherweight bout at UFC 194 on Dec. 12 in Las Vegas.
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Jeremy Stephens looks on during a featherweight bout against Max Halloway at UFC 194 on Dec. 12 in Las Vegas.
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Gunnar Nelson, right, fights Demian Maia during a welterweight bout at UFC 194 on Dec. 12 in Las Vegas.
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Demian Maia reacts after defeating Gunnar Nelson during a welterweight bout at UFC 194 on Dec. 12 in Las Vegas.
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Yoel Romero, above, fights Ronaldo Souza during a middleweight bout at UFC 194 on Dec. 12 in Las Vegas.
(John Locher / Associated Press)
Yoel Romero, right, comes down on Ronaldo Souza with a left hand during a middleweight fight at UFC 194 on Dec. 12 in Las Vegas.
(John Locher / Associated Press)