Tigers at White Sox, ppd.: Tuesday's contest pitting Detroit at Chicago was postponed due to rain.No immediate make-up date has been announced as the American League Central rivals will finish their four-game series on Thursday. The sputtering Tigers aren't slated to return to the Windy City until Aug. 29-31 for a three-game series against the White Sox.Tuesday's starters will be pushed back one day as Chicago left-hander John Danks (4-5, 4.32 ERA) faces Detroit stud Justin Verlander (6-5, 4.19) while White Sox southpaw Chris Sale (5-0, 2.06) tangles with right-hander Max Scherzer (7-2, 3.38) in the series finale.After a scintillating start to the season, the division-leading Tigers have lost seven of nine and 15 of their last 21. The White Sox posted a 6-5 decision in the series opener on Monday to snap a three-game losing skid.