He won the world nine-ball title in 2001 and the 10-ball title in 2009, as well as back-to-back U.S. Opens, earning his nickname for his steely demeanor.
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He won the world nine-ball title in 2001 and the 10-ball title in 2009, as well as back-to-back U.S. Opens, earning his nickname for his steely demeanor.
