Answer: basemen

AnswerCrossword Clue
BASEMEN

You generally take a flight down to it

BASEMEN

Fenway defenders

BASEMEN

Who and What, e.g.

BASEMEN
Infielders
BASEMEN
Most infielders
BASEMENPlayers on diamond.
BASEMENPlayers on a diamond.
BASEMENInfielders.
BASEMENDiamond performers.
BASEMENDiamond figures
BASEMENSacks' guards
BASEMENPeople who watch their bags
BASEMENThey may play first
BASEMENWho, What and I Don't Know, in Abbott and Costello's "Who's on First?" routine
BASEMENOnes trying to prevent stealing
BASEMENSome ballplayers