"Game-like"bullpen today helped to work on some stuff all while being heckled by own fans. #WillToWin Thanks to faithful, WE will succeed!
- Jarrod Parker (@JarrodBParker) April 27, 2013
Melvin declined to elaborate on the "stuff" Parker is working on.
"I don't want to talk about the specifics of that, but, yeah, there's certainly things he's always working on, maybe a little bit more specifically now," Melvin said.
Willie Bans is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.