(Nick Diaz: His style is impetuous, his defense is impregnable.) When Nick Diaz says he’ll fight anybody, anywhere, at any time, he ain’t bullshittin’. Buried in GracieFighter.com’s news section is this little gem about Diaz’s future ambitions (props to BloodyElbow for the tip): Superstar boxer Roy Jones Jr. has expressed interest in facing UFC Middleweight...