Answer:

BATTERUP

AnswerCrossword Clue
BATTERUPHome plate ump's call
BATTERUPUmp's shout
BATTERUPHome plate umpire's cry
BATTERUPMusic to the ears of baseball fans.
BATTERUPPopular cry from April to October.
BATTERUPCry of the diamond.
BATTERUPUmpire's order.
BATTERUPUmp's cry.
BATTERUPUmpire's cry.
BATTERUPUmp's command.
BATTERUPGame starter.
BATTERUPUmp's command
BATTERUPUmpire's command
BATTERUPCall after which someone fills a box
BATTERUPUmpire's call at the start of an inning
BATTERUPCall from home
BATTERUPUmp's cry
BATTERUPUmpire's first call
BATTERUPCall to someone on deck