CHICAGO -- Andy Pettitte emerged from a throwing session with a smile on Wednesday, pleased by his progress as the rehabbing Yankees left-hander continues to eye September action.
Pettitte said he threw about 55 pitches on flat ground at U.S. Cellular Field, including 15 with him lifting his leg and wearing spikes, as the 40-year-old moves closer to ascending a pitcher's mound.
"I don't think they're going to let me get on a mound yet," Pettitte said. "I think probably just a little bit more pushing off, a few more pitches and stuff like that.
"I probably didn't even push off 100 percent today. I know I was pushing off harder than I was the other day. I'm still being cautious. I knew they weren't going to let me get on the mound on this trip, so I just don't want to have anything to set me back."
Pettitte plans to throw again on Saturday in Cleveland and is encouraged as he continues to come back from a fractured left fibula suffered in a June 27 start against the Indians.
"I feel good," Pettitte said. "I'm trying to draw a fine line here, because obviously I'm not completely healed or they would tell me I could get on a mound right now, I guess. There's no sense even trying to explain it. I wish I could tell you that I could go out there and run sprints and run around and get on a mound right this second, but I'm definitely not quite there yet."