Staredowns! Floyd Mayweather vs Canelo Alvarez face off at weigh in (Pic)

The greatest pound-for-pound boxer on the planet, Floyd Mayweather, and the man who will challenge his undefeated record, Canelo Alvarez, took to the scales in Las Vegas, Nevada, today (Sept. 13, 2013) to weigh-in for their 152-pound (Super) Light Middleweight championship showdown scheduled for tomorrow night at the MGM Grand Garden Arena in "Sin City".

For complete "Mayweather vs. Canelo" weigh in results click here.

Both fighters hit their respective marks before getting in each other's faces for the customary staredown, which you can see above and, for good measure, you can check this out too.

Exciting stuff!

Danny Garcia and Lucas Matthysse also stared each other down in advance of their WBC Super Lightweight championship battle:

Remember, too, MMAmania.com will deliver LIVE coverage of "Mayweather vs. Canelo" tomorrow night (Sat., Sept. 14, 2013), starting with the Showtime pay-per-view (PPV) broadcast at 9 p.m. ET.

See you then!

For more on the "Mayweather Jr. vs. Canelo" super PPV Showtime show be sure to check out our complete event archive right here.