As we saw last night the Wild Card game can be wildly unfair, like a stand-up contest between Louis CK and your dad, who we both know just isn’t that funny no matter what he claims. The baseball season lasts 162 games and then two teams are plucked essentially at random, and told, “Okay guys, you get one game. Win and you get to play a real playoff series. Lose and you’re a miserable failure. Oh, and your season is over. Have fun!” It doesn’t matter how good (or bad) those teams were or what the difference between them was. One game. Go.
Much has been said about the unfairness of this system and the valid and reasonable concerns it brings up. How can we condense 162 games to one game? How can we pretend the randomness of baseball, a randomness which is often not sorted out in 162 games, can be sorted in one single game? Wouldn’t a three game series be better, or even five games? At least that would require a better accounting of themselves by the two teams involved.
It would, but how much better? I was curious what the difference would be if Major League Baseball changed the format from a one game playoff to a three game series, so I investigated and, with help from the crack team at FanGraphs, I found an excellent article by Steve Staude written for The Hardball Times from May 30, 2014. It contains a calculator that tells us, bizarrely, exactly what we are wondering. This, you understand, never happens.
Let’s get into it! According to Staude’s piece, the home team has a 54% chance of winning the game, irrespective of anything else. For purposes of simplicity, I should also note that I’m not getting into the team’s starting pitchers or lefty-righty matchups or anything like that. Just team-created winning percentages will be used here to ensure that my head does not explode. “Here lies Matthew Kory. He tried hard math. Oops.”
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