50 Cent's "Massacre" sold 1.14 million copies in just four days, killing the competition to get to the top of the Billboard 200.

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Sales, which began five days early to thwart pirates, were a career-best for the rapper and ranked sixth on the Nielsen SoundScan opening week list, which have been tracked since 1991, Billboard said Wednesday.

Jennifer Lopez' "Rebirth" ranked No. 2, with 261,000 copies sold and Jack Johnson's "In Between Dreams" came in third on sales of 228,000 units.

Rounding out the top five were "Frances the Mute" by Mars Volta and The Game's "The Documentary." Ray Charles' "Genius Loves Company" fell to No. 7 from second place.