Sullivan's article briefly mentioned this, but the hard contact bit seems to be a plague for the Tigers. They're easily worst in MLB at it(after being 7th in MLB with mostly the same cast of characters in 2016), and Fulmer is the only starter who hasn't seen that go significantly in the wrong direction in 2017 compared to last year. It's possible that problem has a large environmental component. And with regards to command, James McCann or Avila have been the primary catcher there since 2010 (!), and the only seasons either of them have been above average by BP's framing are 2012 and 2016. Not coincidentally Verlander's 2 best ERA seasons in the last 5+ were those two years, and this year McCann is not only just below average, but at the very bottom of the league. Toss in those factors combined with the AL to NL move, and I'd be reasonably confident that Verlander is a 3+ win pitcher the rest of this year, if not more.