"Bobby grabbed the opportunity and ran with it," Collins said. "I just think that over the last couple years, he's matured on the mound, his demeanor on the mound. His confidence in his stuff has changed. Right now, even though he can throw 100 [mph] if he needs to, he pretty much pitches at 94, 93, 95, and he tries to make pitches. And I think that's what's made a big difference for him."
For those reasons, general manager Sandy Alderson said he never really entertained offers for Parnell prior to Wednesday's non-waiver Trade Deadline, despite the closer's high value for any contender.
"We spent the last two-years-plus looking for a closer," Alderson said. "It looks like we've found one, so why would we trade him immediately?"
Anthony DiComo is a reporter for MLB.com. Follow him on Twitter @AnthonyDicomo. This story was not subject to the approval of Major League Baseball or its clubs.