The Cardinals, as part of their plan to build Carpenter up to carry the workload of a starter, set a pitch limit of about 75 going into the night. Last Monday, Carpenter threw 54 pitches in a start against Double-A competition.
As long as he has no health setbacks, Carpenter will continue to pitch every five days. With Memphis home through next Thursday, the 38-year-old right-hander will likely make his next rehab start back in Triple-A. He has enough time left on this rehab assignment to make as many as four more starts.
Carpenter began the season sidelined by recurring symptoms from thoracic outlet syndrome. He had to briefly stall his throwing program in June due to a separate back injury, but Carpenter has incurred no setbacks since.
Jenifer Langosch is a reporter for MLB.com. Read her blog, By Gosh, It's Langosch, and follow her on Twitter @LangoschMLB. This story was not subject to the approval of Major League Baseball or its clubs.