left field

Noun

• The part of a baseball field which is beyond the infield and to the left of a person standing on home plate and facing the pitcher.
• The defensive position in the outfield to the left.
• An unexpected, bizarre, or unwatched source (especially in the phrases out of left field and from left field).
• An unusual or unexpected position, or a viewpoint held by very few others in contrast to the majority viewpoint (especially in the phrases out in left field and way out in left field)