Answer: BAT

AnswerCrossword Clue
BATCome to the plate
BATCudgel
BATClub for a diamond
BATDiamond club
BAT"Chiroptera" member
BATTake your swings
BATWinged mammal
BATOnly mammal capable of true flight
BATBall club?
BATCricket necessity
BAT"Casey at the ..."
BATClub for Utley
BATCricket club
BATBelfry occupant?
BATBlink
BATClub for swingers
BATFace the pitcher
BATLumber on the diamond
BATSlugger?
BATSosa swings one
batto have crazy ideas; be very peculiar, erratic, or foolish
BATYaz's weapon
BATRed Sox article
BATBe up
BATFlying mammal
BATNight flier
BATNocturnal flying mammal
BATFenway Park club?
BATFledermaus
BATSlugger's best agent?
BATAnimal symbol that strikes fear into some fictional criminals (a superstitious, cowardly lot)
BATCarlsbad Caverns dweller
BATCave dweller
BATInverted snoozer
BATMcGwire prop
BATSosa's weapon
BATSwing at home
BATBeltran's blaster
BATBruce Wayne's inspiration
BATClub for Casey