In one day, Jed Hoyer took the Chicago Cubs' pitching staff from being a weakness to a strength. The roster gymnastics started on Tuesday, as the Cubs designated Jake Woodford for the second time this season while activating Zeferjahn. 4 Cubs pitchers suddenly on borrowed time after Jed Hoyer's massive trade deadlineIn the week ahead, there are going to be pitchers who the Cubs counted on this season that will suddenly find themselves out of a job. It's a sign that the pitching staff has been stabilized, and that there's a new level of expectation moving forward. Aaron CivaleAssuming Edward Cabrera returns to health, the Cubs could effectively have six starting pitchers on their roster by the end of August.