Moyer could stay at Thomas Jefferson University Hospital in Philadelphia one more night, Amaro said. Moyer had surgery last Friday to repair torn tendons in his left groin and lower abdomen.
Moyer went 12-10 with a 4.94 ERA in 30 appearances (25 starts) this season.
Todd Zolecki is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.