Aaron Hicks ‘making progress’ on achy back but return date iffy

TAMPA — Aaron Hicks says his back is feeling better, but he doesn’t know when he will return to the lineup. The switch-hitting center fielder missed his second straight game Tuesday at George M. Steinbrenner Field against the Braves because of lower back discomfort. “Slowly, day by day gets better. It feels like I’m making…