Are Yankees' Chase Headley MLB-high 9 errors fluky? He says ...

KANSAS CITY -- If you watched most Yankees games from start to finish this season, you probably noticed third baseman Chase Headley making a lot of very good defensive plays.

And you certainly have seen Headley made a bunch of mistakes in the field, too ... six throwing errors, two boots on groundballs and a missed catch.

Going strictly by statistics, Headley's nine errors heading into Thursday's Yankees-Royals game at Kauffmann Field are the most in baseball of any player at any position.

His .909 fielding percentage is the lowest of any qualifying position player.

So ...

Is Headley, who made just 10 errors in all of 2016 and already is one away this year, having a terrible season in the field?

H…