It hasn't been easy. Floyd Mayweather vs. Manny Pacquiao has been a super fight five years in the making, derailed time and again by demands, stubbornness, egos and just about every annoying thing you can imagine.
Read next: Read our Pacquiao vs. Mayweather fight recap.
Even with the pay-per-view (PPV) start time finally set for 9 p.m. tonight (Sat., May 2, 2015) inside MGM Grand Garden Arena in Las Vegas, Nevada (full programming details here), the disagreements and nit-picking between the two camps -- Mayweather Promotions and Top Rank -- still continue down to the wire.
Pacquiao's camp was successful with the first two un-important non-issues, but it appears it will have to concede on the bout order.
WBC Super Bantamweight World Champion Leo "El Terremoto" Santa Cruz (29-0-1, 17 KOs) -- a Mayweather Promotions fighter -- will be featured in the co-main event against Jose Cayetano (17-3, 8 KOs) in a 10-round, non-title Featherweight (126 pounds) showdown.
Top Rank's top Featherweight, Vasyl Lomachenko, meanwhile, will kickoff the PPV action, defending his world title against Galamlier Rodriguez.
147 lbs.: WBC and WBA Super Welterweight Champion Floyd Mayweather vs. WBO Welterweight Champion Manny Pacquiao
Televised PPV Under Card:
126 lbs.: WBC Super Bantamweight World Champion Leo "El Terremoto" Santa Cruz (29-0-1, 17 KOs) vs. Jose Cayetano (17-3, 8 KOs)
126 lbs.: WBO Featherweight Champion Vasyl Lomachenko (3-1, 1 KO) vs. Gamalier Rodriguez (25-2-3, 17 KOs)
154 lbs.: Chris "Sweet" Pearson (11-0, 9 KOs) vs. Said El Harrak (12-2, 7 KOs)
168 lbs.: Jesse Hart (16-0, 13 KOs) vs. Mike Jimenez (17-0, 11 KOs)
200 lbs.: Andrew "The Beast" Tabiti (9-0, 9 KOs) vs. Anthony Caputo Smith (15-4, 10 KOs)
154 lbs.: Brad Solomon (24-0, 9 KOs) vs. Adrian Rene Granados (13-3, 9 KOs)
The televised PPV undercard is set to begin at 9 p.m. ET tonight, which coincides with our LIVE round-by-round coverage of the blockbuster event RIGHT HERE. To find out how to watch "Mayweather vs. Pacquiao," which will cost you about $100 per-PPV order, in your area click here.