"The first half, honestly, is unacceptable for me. I'm better than this. And it's on my shoulders. It's on nobody else's," said Hammel, who is 7-6 with a 5.24 ERA in 19 starts — nearly two runs higher than his 3.43 ERA in 20 starts in 2012. "It's fixable. I've just got to get out of my own way."