2011
Saturday, Feb 26, 2011 – at Palms Casino Resort, Las Vegas, Nevada, USA
![](https://mark.trademarkia.com/logo-images/international-brotherhood-of-prizefighters/the-sweet-science-78399883.jpg)
2011
Saturday, May 7, 2011 — at MGM Grand, Las Vegas, NV, USA
![](https://mark.trademarkia.com/logo-images/international-brotherhood-of-prizefighters/the-sweet-science-78399883.jpg)
WBO Welterweight Title – Manny Pacquiao vs Shane Mosley
WBC Lightweight Title – Humberto Soto vs Urbano Antillon
2011
Saturday, Apr 16, 2011 — at MGM Grand , Las Vegas, NV, USA
![](https://mark.trademarkia.com/logo-images/international-brotherhood-of-prizefighters/the-sweet-science-78399883.jpg)
WBA Super World Lightweight Title/WBO Lightweight Title: Juan Manuel Marquez vs Erick Morales
2011
Saturday, Apr 16, 2011 — at San Juan, Puerto Rico
![](https://mark.trademarkia.com/logo-images/international-brotherhood-of-prizefighters/the-sweet-science-78399883.jpg)
WBO featherweight title: Juan Manuel Lopez vs. TBA
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