“The secret to Duncan’s youthful figure: a health-conscious diet, a fat-burning offseason regimen that included boxing with San Antonio’s Jesse James Leija and, he jokes, a little something extra between his torso and jersey top. Is it true the Spurs captain is now wearing Spanx? ‘I am, actually,’ Duncan kidded Monday. ‘But keep that between us.’” — Jeff McDonald, San Antonio Express-News