"Bud had a recurrence of his sickness," Showalter said prior to Friday night's game vs. the Angels. "He's going to come in here after everybody goes on the field, [in case] it's contagious, to see the doctor."
Showalter said if Norris can't pitch Saturday, Thursday's off-day enables him to move Ubaldo Jimenez (3-2, 2.41 ERA) from Sunday to Saturday on full rest, with right-hander Chris Tillman (2-5, 6.34 ERA) pitching Sunday.
"They've already been alerted, and we'll see," Showalter said. "Seems like very similar symptoms, but [Norris] might be running a fever here.