left field 
noun
1 Baseball The part of the outfield to the left of the batter when facing the pitcher: a high fly to left field...
- For a long time, Womack has had a tendency to hit fly balls to left field for easy outs.
- Bryce had hit a fly ball to left field and Benji was running home and Bryce running to second.
- In the top of the third inning with two outs, the Padres' Gene Richards lofted a fly ball to left field.
2North American informal A surprising or unconventional position or style: seldom do so many witty touches come out of left field...
- And this is an unthinkable, unspeakable tragedy that, in my opinion, came out of left field.
- And that sort of just came out of left field and really blew me away.
- But I got such a terrible shock because it just came out of left field.
2.1A position of ignorance, error, or confusion: he’s way over in left field on these issues...
- This is but one more example of the consensus view being way out in left field.
- When the Congressmen would start asking him questions behind that, he was just completely out in left field.
- It's nice to know I'm not out in left field in my thoughts and at the same time incredibly disturbing to see my thoughts reflected by another voice.
adjective
(Of artistic work) radical or experimental: left-field guitar-based music...
- You expect quirky, left-field weirdness, whereas what you get is gorgeous songwriting.
- Finally, despite the airing of some wonderful left-field stuff, the dearth of jangly African guitar music and reggae was notable.
- But perhaps his mellifluous melancholy was always just a tad too left-field, a bit too intense, for mainstream tastes.