This column is supposed to be about reliever usage, but it also highlights how many starters (with some exceptions) are crashing. The Phillies are not the only ones scraping by at #5, and/or seeing their 1s and 2s struggle.
He also quotes a GM as saying teams will carry 15 pitchers next year, because of the the impact of this year and (presumably) a labor dispute-delayed off-season.
There could also be more roster expansion in the new CBA of course.