It's a staff comprised of 7-8 pitchers traditionally thought of as starters and supplemented primarily by multiple inning relievers. And as others have pointed out, it's supplemented by shuttled players in waiting at AAA. Initial Out Getters (IOG), Tandem Pairs, and/or Piggyback Partners Chacin Burnes Peralta Woodruff Nelson Anderson Guerra Davies Mid-to-Late Game Out Getters - One Time Through Multiple Inning Guys Hader Knebel Jeffress Claudino That's 12. A guy like Albers if not moved, will be around for the remaining year of his deal and would be the one pitcher still used in short stints. He'd make 13. Still leaves people like Barnes, Williams, Houser, Wilkerson, Diplan shuttle in from AAA. And that's also before adding a single IOG via free agency or trade. I have to believe they'd like to add a LH IOG. If a Miley or the like is brought in, then you take one of the top 8 and stash in AAA or one of them might go out in a trade for an IOG. And there's no guarantee that Nelson is ready out of the gates. The team might not even want him to be. An IOG or one of the guys on the list currently ticketed for AAA could be who ends up in that IOG/Tandem/PB group.