LAS VEGAS — You might have to do a double take at this one. Ahead of their main event slot at UFC 329, Conor McGregor looked much bigger than Max Holloway on the scales on Friday. The “Notorious” McGregor weighed in at 170.5 pounds, while Holloway weighed in at 170 pounds on Friday morning, as there were no issues on the scales. Max Holloway has never fought higher than 155 pounds. Zuffa LLC This is a new weight class for Holloway, as 20 months ago, Holloway fought former featherweight champion Ilia Topuria at 145 pounds. McGregor, a featherweight contender who began in 2013, became the champion in 2015 and then abandoned the division, has fought three times at welterweight. Holloway has never fought at 170 pounds and appeared far less muscular than McGregor at weigh-ins. In an interview w