Cubs Believe Lack of Deception Fueling Ryan Pressly’s Poor Performance

AP Photo/Erin HooleyCubs closer Ryan Pressly has completed only 13 innings in 14 appearances, with a balky right knee keeping him from throwing more regularly of late. And though the team says he’s healthy and feeling good after having his knee drained prior to the Phillies series, the results tell us something is amiss. And I’m not talking about the most obvious example from Tuesday’s implosion against the Giants that saw Pressly surrender nine runs in the 11th inning without retiring a batter.

What’s more concerning to me is the fact that he simply isn’t missing bats with nearly enough frequency to handle high-leverage situations. His changeup has generated no whiffs after being north of…