Photos: UFC 194: Jose Aldo vs. Conor McGregor

Conor McGregor reacts after defeating Jose Aldo for the featherweight title at UFC 194 in Las Vegas.

Conor McGregor reacts after defeating Jose Aldo during a featherweight championship bout at UFC 194 in Las Vegas.

Luke Rockhold prepares to face Chris Weidman in a middleweight championship bout at UFC 194 on Dec. 12.

Luke Rockhold throws a left hand at Chris Weidman, left, during their middleweight championship fight at UFC 194 on Dec. 12 in Las Vegas.

Chris Weidman, above, fights Luke Rockhold in a middleweight championship bout at UFC 194 in Las Vegas.

Chris Weidman is attended to between rounds of his middleweight championship fight with Luke Rockhold at UFC 194 in Las Vegas.

Luke Rockhold rests between rounds of hig middleweight championship bout with Chris Weidman at UFC 194 on Dec. 12 in Las Vegas.

Tecia Torres (top) punches Jocelyn Jones-Lybarger in a strawweight fight during UFC 194 on Dec. 12 in Las Vegas.

Tecia Torres celebrates her victory over Jocelyn Jones-Lybarger in a strawweight fight during UFC 194 on Dec. 12 in Las Vegas.

Frankie Saenz, left, locks up Urijah Faber during a bantamweight bout at UFC 194 on Dec. 12 in Las Vegas.

Frankie Saenz lands a kick on Urijah Faber, right, during a bantamweight bout at UFC 194 on Dec. 12 in Las Vegas.

Jeremy Stephens throws a kick at Max Holloway, left, during a featherweight bout at UFC 194 on Dec. 12 in Las Vegas.

Jeremy Stephens looks on during a featherweight bout against Max Halloway at UFC 194 on Dec. 12 in Las Vegas.

Gunnar Nelson, right, fights Demian Maia during a welterweight bout at UFC 194 on Dec. 12 in Las Vegas.

Demian Maia reacts after defeating Gunnar Nelson during a welterweight bout at UFC 194 on Dec. 12 in Las Vegas.

Yoel Romero, above, fights Ronaldo Souza during a middleweight bout at UFC 194 on Dec. 12 in Las Vegas.

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.