article: In four days time, Floyd Mayweather will go head-to-head with Manny Pacquiao in the Fight of the Century at the MGM Grand but he still had time to pose for a picture with Motown legend Gladys Knight. Mayweather meets rival Pacquiao on May 2 in Las Vegas in the highly-anticipated blockbuster, which saw tickets sell out within 60 seconds on Ticketmaster last week. As he steps up his preparation for Saturday's fight, Mayweather took time out of a training session to pose for a picture with 'Midnight Train To Georgia' singer Knight. Motown legend Gladys Knight posted a picture on Twitter with Floyd Mayweather during a training session . Mayweather will go head-to-head with Manny Pacquiao in the Fight of the Century at the MGM Grand on May 2 . Knight tweeted: 'The champ @FloydMayweather and I! So good seeing you dear! #TheChamp #FloydMayweather.' Mayweather retweeted the post to his 5.8million followers and earlier in the day, he thanked Knight for watching him in the gym. The 38-year-old tweeted to his followers: 'Thank you @MsGladysKnight for coming to support me at the gym today.' Mayweather is expected to get £120m from the fight, the biggest event in the history of boxing, with Pacquiao. Mayweather loosens up before he takes part in a training session at the Mayweather Boxing Club . Knight (left) is best known for singing hits such as 'Midnight Train To Georgia' and 'Friendship Train'
highlights: Floyd Mayweather will fight Manny Pacquiao on May 2 in Las Vegas .
  The fight will be the biggest event in the history of boxing .
  Mayweather took time out of training to pose for picture with Gladys Knight .
  Pacquiao arrives in Las Vegas ahead of showdown with Mayweather .
  CLICK HERE for all the latest Manny Pacquiao and Floyd Mayweather news .
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