Hammel, whose most recent start was pushed back from Thursday to Monday due to right knee soreness -- an injury that had gotten progressively worse in his previous few outings -- turned in his worst start of the season against the Yankees on Monday night, allowing five earned runs and exiting without recording an out in the sixth. The right-hander said afterward that his knee didn't bother him on the hill, but he did tire down the stretch because he hadn't conditioned as he typically would between starts.
"I felt fatigue from just not being on my feet," said Hammel, who has been receiving daily treatment on his knee. "But other than that, no pain, no soreness or stiffness."
Hammel said he will try to work in more conditioning later this week, although he didn't anticipate being cleared to run any time soon.
"I'm doing some pool work, so it's less impact on the knee to make sure we are going to get over the hump and there's not any setbacks," Hammel said. "I'll probably do that for at least the next couple starts."
Hammel is 4-1 with a 2.68 ERA this season.