from left field

from left field

From a surprising or strange place. ("Left field" is the metaphorical origin of something uncommon, unpopular, or otherwise strange.) That suggestion certainly came from left field! How did you come up with that one?
See also: field, left

from (or out of) left field

from a position or direction that is unexpected or unconventional. informal, chiefly North American
The expression originated in the language of baseball: left field is the part of the outfield to the left of a right-handed batter as he faces the pitcher, which does not often come into play.
2000 The Register Nokia…knows that killer apps have always come out of left field—obvious once someone has done them, but prior to that not predictable.
See also: field, left
References in periodicals archive ?
WHERE TO FIND IT: Main concourse from left field to right field.
Pennell's three-run homer in the third inning ignited Worcester's offense and his arm from left field gunned down the tying run at the plate to end the seventh.
It was hardest, according to Travs vice president Bill Valentine, to hit one out from left field to center.
Gratuitous references to the seventeenth-century wunderkammer, or cabinet of curiosities, are a recent curatorial and art-historical touchstone, so Bob Nickas and Steve Lafreniere's decision to build an exhibition around the idea hardly came from left field, and promised, well, nothing in particular.
MacMillan, besides his big night with the bat, also threw out a runner at the plate with a perfect strike from left field in the first inning, and stole a base.
He moved to first base (from left field) last year, and he's already one of the best guys in the league there.