As the A’s try to win the AL West today, I thought I’d post a little thing I wrote on a friend’s Facebook feed. My friend was making the old complaint about how Moneyball ignored Hudson, Mulder, Zito; that the real reason for the A’s success is not the Scott Hattebergs and their on-base percentage, but pitching.

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Yes, the A’s have consistently developed good pitching — but really only since Billy Beane took over as GM in 1997. BUT: the A’s had the third best ERA+ (ERA adjusted by ballpark) in the AL this year. The A’s had the third best ERA+ in the AL last year, too. If it was the pitching that gave the A’s their success, they would have won 93 games last year, too.

The point of Moneyball isn’t that Hatteberg was the REASON for winning. It’s that everything adds up: pitching, defense, hitting, baserunning. The big things (Hudson, Mulder, Zito, Tejada, Chavez) — those reasons for winning are easy to see. The point of Moneyball is to find those small little advantages beyond the obvious. Add a run from hitting here, a run on baserunning there, save a run on pitching here, a run on fielding there — it all adds up. That’s the story, that’s what makes the A’s different.

So in the book/movie, the A’s took a catcher from another team (Hatteberg) and turned him into a first baseman, and that helped them _partly_ to overcome the loss of Giambi’s numbers, at a very low cost. They also saved some other runs on the pitching side by acquiring Chad Bradford and Ricardo Rincon.

This year’s team has THREE Hattebergs: Brandon Moss started the year as an outfielder, and ended up as a first baseman. Josh Donaldson started the year as a catcher, and ended up as a third baseman. And a year ago, Sean Doolittle was a first baseman, now he’s a left-handed relief pitcher.

This year, the A’s have also added up all those little runs by platooning all over the place: at catcher, first base, second base and DH. These sorts of thing won’t always work. But when you’re a poor team, that’s what you have to try sometimes. And sometimes, you get lucky and all those risks actually all work at the same time. That makes this year’s team probably a better example of Moneyball than Moneyball itself.