Originally, the Reds were targeting roughly 30 starts and 170-175 innings for the left-hander.
Following Finnegan in the next four-game series vs. the National League Wild Card-contending Cardinals will be Tim Adleman, Robert Stephenson, Anthony DeSclafani and Dan Straily. The probable starters for the final three games of the year vs. the Cubs have not been revealed.
Bailey has been out since Aug. 28 with right biceps tenderness but has pitched well in three side bullpen sessions. Price had hoped for Bailey to get one, or possibly two, starts. The Reds haven't shut him down for the season, however.
"I'm just not ready to commit that he's in the rotation. That's all," Price said. "We haven't gotten to that point yet where we have universal confirmation that that's the way we want to go."
Mark Sheldon has covered the Reds for MLB.com since 2006, and previously covered the Twins from 2001-05. Follow him on Twitter @m_sheldon and Facebook and listen to his podcast. This story was not subject to the approval of Major League Baseball or its clubs.