The bookies already have Floyd Mayweather Jr as the 4/9 favourite for May's showdown in Las Vegas, and it's easy to see why from this video.
The 38-year-old, who many claim to be the best pound-for-pound fighter of all time, spent several minutes in the ring showing off his shape and speed at Wednesday's media open day.
His trainer and uncle Roger Mayweather took him through a gentle routine with less than three weeks to go to the big date with Pacquiao.
https://www.youtube.com/watch?v=B2PsaQHveD4
