he is not throwing his slider for strikes. when he does, he's effective. because he cannot, they are sitting on his FB and hitting it. he has lost command of everything, and he is scared. so, the excuses are logical and describe correctable flaws.
when he was on, the PA guy could have said "SLIDER COMING," and it would not matter. he cannot throw consistent strikes to good spots, and he is seeing the ghost of Steve Blass.
i still think a lot of it is front-side related, but what do i know?