WATCH Floyd Mayweather vs. Manny Pacquiao Fight LIVE STREAM Online (Saturday May 2, 2015): Odds, TV/Card Schedule, Bout Time & More For 'Fight Of The Century, Battle For Greatness'

The highly-anticipated "Battle for Greatness" showdown finally takes place tonight (Saturday, May 2). Undefeated boxing champ Floyd Mayweather takes the ring against longtime rival Manny Pacquaio once again in Las Vegas - check out some must-know details below!

Floyd Mayweather, Jr. vs. Manny Pacquiao, billed as "Battle for Greatness" or "The Fight of the Century," is an upcoming Professional Boxing match between the eight-division world champion Manny Pacquiao and undefeated, five-division world champion Floyd Mayweather, Jr. The fight will take place on May 2, 2015 at the MGM Grand Garden Arena in Las Vegas, Nevada (via Wiki).

Read more on each boxer's final weigh-in and "staredown" on ESPN.

Meanwhile, USA Today offers an awesomely thorough "complete guide" to betting odds on the fight.

Doors to the epic Sin City battle open at 2 p.m. (or 5 p.m. EST) - the first bout kicks-off at 3 p.m. (PST) with these untelevised portions of the card:

- Chris Pearson vs. Said El Harrak, junior middleweights

- Jesse Hart vs. Mike Jimenez, super middleweights

- Andrew Tabiti vs. Anthony Caputo Smith, cruiserweights,

- Brad Solomon vs. Adrian Granados welterweights

The main event will air on Pay-Per-View starting at 9 p.m. (EST), with two fights featured before Mayweather and Pacquiao officially take the ring at approximately 11:30 p.m. -

WBC Super Bantamweight World Champion Leo Santa Cruz vs. Jose Cayetano

WBO Featherweight Champion Vasyl Lomachenko vs. Gamalier Rodriguez

The cost for United States viewers is $89.95, with an additional $10 for high-definition (HD). But those in Mexico can watch for free on PPV!

Check local cable providers for more info. Meanwhile, DISH Network will allow new subscribers to catch the event at no charge if they switch over to the popular satellite network. Several cities are also hosting blow-out viewing parties at bars and nightclubs scattered throughout the nation.

It's highly unlikely that people can watch this epic fight without paying a fee. But several sports websites will continue offering free live updates throughout the evening (including MMAFighting, MLive, SherDog, and SBNation, just to name a few).

Here are some highlight quotes from the pre-fight press conference:

Mayweather: "(It is) the biggest fight in boxing history and I'm a part of it so that's a great thing. I'm just truly, truly blessed to be where I'm at. I feel good, I feel strong and I'll see you guys Saturday. You guys came out here to see excitement, to see a great event and I think that's what both competitors bring to the table - excitement."

Pacquiao: "Everything I have accomplished, God has given me this strength. I used to sleep in the street, hungry, and I cannot imagine that the Lord raised me to this level of life."

Let's get it on!