Thursday, August 4, 2011

Platoon Split Issue, and How to Deal with It

This article is a preemptive strike for the next one.  
The platoon split is a known issue in the baseball world that deals with right handed batters(RHB) hacing an advantage against left handed pitchers(LHP), and left handed batters(LHB) having an advantage against right handed pitchers(RPH).  There are two reasons for this. The first is because the batters get a better view of the ball from the time it's released to when it gets to the plate.  The second is because when RHP throws a breaking ball to a LHB (and vice versa), the ball breaks towards the batter, and makes it easier for the batter to get the ball on the bat.  The only breaking ball exception in the screwball, which no one in the big league throws anymore.  A ball with only vertical displacement, like a 12-6 curve (which breaks straight down like from 12 to 6 on a clock, as opposed to a 11-5 or 2-8), or a ball that moves away from a batter, like a changeup (which typically tails away to the arm side of the pitcher), are used to neutralize the platoon split. The cutter can also be used to neutralize a platoon split, but in a totally different way.  The cutter is a fastball that moves across the pitchers body from arm side to glove side [of the pitcher as he stands on the mound facing the plate] to the arm side.  The pitch eliminates platoon splits because by looking like a fastball down the middle, but then "cuts" to the inner half of the plate before the hitter can get around and pull the ball, resulting in broken bats and poor contact.  

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