J. Countess/Getty ImagesRusty Staub will throw out the ceremonial first pitch at Citi Field on Monday.
SARASOTA, Fla. -- Rusty Staub will throw out the ceremonial first pitch on Opening Day at Citi Field.
Staub will be celebrating his 69th birthday Monday.
The Mets previously announced that "Shameless" star Emma Rossum would sing the national anthem.
