Dodgers manager Don Mattingly grades high behind the scenes

Los Angeles Dodgers manager Don Mattingly in the first inning of a Major League Baseball National League Division Series game against the New York Mets on Friday, Oct. 9, 2015 in Los Angeles. (Photo by Keith Birmingham/ Pasadena Star-News)2015 92-70 Lost in NLDS to Mets, 3-2

Losing Game 5 of the National League Division Series was as much a referendum on Don Mattingly’s ability as any of the 828 games he’s managed the last four years.

If anything, that’s overstating Farhan Zaidi’s opinion of the role of a manager in baseball.

“If you tell me that the team’s success is solely driven by the manager, I just don’t think that’s how it works,” the Dodgers’ general manager said Oct. 6, days before…