"Cliff came out of it fine," Phillies manager Ryne Sandberg said.
Lee might need just one rehab assignment, although Lee speculated Tuesday he would need two. If he needs one, he could rejoin the rotation before the All-Star break. If he needs two, it would be shortly after the break.
"That'll be a judgment," Sandberg said. "We'll see how he looks and feels after that. We'll see if he needs one more or not."
Todd Zolecki is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.