Moyer will broadcast 109 games this season, including Spring Training. Stairs will broadcast 108. Their first broadcast, which will air on MLB.TV, is Wednesday in the Grapefruit League opener against the Blue Jays.
Schmidt has been in Spring Training as a guest instructor since 2002, but he has not been here this year because of an undisclosed illness.
"Mike is treating a health issue that requires him to remain near his doctors, and he will be unable to attend Spring Training as a field instructor this year," a Phillies spokesman said in a statement in January. "Mike plans to visit camp in the middle of March as part of his marketing relationship with the Phillies and continue his normal visits to Philadelphia throughout the summer."
Todd Zolecki is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.