With the Aug. 1 non-waiver Trade Deadline approaching, many teams have decisions to make about whether to buy, sell or hold. One such club is the White Sox, who have not reached the postseason since 2008. Chicago has sputtered after a strong start and now sits under .500, far behind in both the American League Central and the AL Wild Card race, with general manager Rick Hahn saying Thursday that his team is “mired in mediocrity.”