Answer: firstbase

AnswerCrossword Clue
FIRSTBASE

Diamond corner

FIRSTBASE

Frustrated ones fail to reach it.

FIRSTBASE

Exchange for a single.

FIRSTBASE
What the ineffectual fail to reach.
FIRSTBASE
Position of Hodges or Skowron.
FIRSTBASEArea Lou Gehrig covered
FIRSTBASEDestination of one who walks?
FIRSTBASESingles hangout?