Whatever Tarik Skubal did during the All-Star break, he might want to try doing it again before his next start. Skubal was back to his early-season form against the Oakland Athletics on Thursday, allowing just one run and striking out nine over six innings in the Tigers’ 7-2 win in the first game of a doubleheader. Skubal was perfect through 3⅔ innings, but walked Sean Murphy with two outs in the fourth. His no-hit bid was then snapped in the fifth when a pop fly off the bat of Seth Brown dropped in shallow left field. Jeimer Candelario tried his best to track the ball from third base, and he …