Originally written on NESN.com  |  Last updated 11/17/14

LAS VEGAS - SEPTEMBER 18: Boxers Floyd Mayweather Jr. (L) and Juan Manuel Marquez pose during their official weigh-in at the MGM Grand Garden Arena September 18, 2009 in Las Vegas, Nevada. The two will fight at the MGM on September 19. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. is back in the ring, but at least one thing will be different this time around. In his first fight since a two-month jail term, Mayweather will be fighting on Showtime, not HBO. Mayweather will be fighting Robert Guerrero on May 4, the boxing star announced Tuesday, and he has signed a new deal with CBS’ Showtime to broadcast that fight and more. The new deal could include as many as six fights over 30 months, according to The Associated Press. Mayweather (43-0 with 26 knockouts) will likely fight Guerrero (31-1-1, 18 KOs) at the MGM Grand Garden in Las Vegas. Mayweather, 36, last fought May 5 of last year, when he beat Miguel Cotto. In jail for two months last summer, Mayweather had his sentence cut short after complaints that the jail conditions were hurting Mayweather’s competitive edge and ability to return to fighting. Click here to see what Mayweather did when he left jail>>
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