NEW YORK — Not even Chuck Knoblauch had a stretch quite like this. George Lombard Jr.’s six-game error streak isn’t the same as Knoblauch’s infamous throwing yips, but it has put the rookie in unsightly defensive territory.For years, the New York Yankees have lauded Lombard for his defense. Scouts routinely called him the best defender at any level in the organization. Just last week, Lombard’s defense was the subject of glowing praise. No one could have predicted a historically strange streak for the Yankees’ 21-year-old shortstop.After Lombard’s miscue in the eighth inning of a 5-1 Yankees loss to the Houston Astros on Thursday, he became the first MLB player since 1992 (Cleveland infielder Mark Lewis) to be charged with an error in six consecutive games, according to Katie Sharp of Stathead. Sharp also noted that Lombard is the first Yankees shortstop to commit an error in six straight games since Roger Peckinpaugh in 1915. No Yankee at any position has made an error in six consecutive games since Chick Fewster (at second base) in 1921.“It’s not acceptable,” Lombard said. “It can’t happen at this level. If you make your pitchers have to get an extra out, it just makes it way harder on us. Teams are going to capitalize. It’s something we’re definitely going to have to clean up.”All of Lombard’s six errors during the streak have been routine mistakes. Friday against the Toronto Blue Jays, Lombard whiffed on a popup that landed in foul territory. Saturday, he tried backhanding a grounder that he booted. Sunday, a similar play happened. Tuesday versus the Astros, he forced a throw he should not have made. Wednesday, he ranged to his left, and a grounder hit off the heel of his glove.