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« Jose Bautista's 2010 | Main | Death of a Bad Ball Hitter »

What Happened to Elvis Andrus's Power?

Elvis Andrus followed up his rookie season of 2009 with an almost identical batting average and a 13 point improvement in his OBP.  His power fell off a cliff however, from a low .373 slugging percentage to a poor .301. He went from 31 extra-base hits in 2009, including six home runs, to 18 with no home runs in 2010.  His results on fly balls may hold the key to why this happened.

The following graphs show pitch frequency location, movement, and batted ball results on fly balls in 2009:

Elvis Andrus fly balls 2009Note that Andrus hit balls low in the middle of the zone, but balls that dropped less than usual.  He could upper cut these pitches.  Note also the number of balls he pulled down the leftfield line.

Here's the same chart for 2010:

Elvis Andrus fly balls 2010The movement difference is subtle, but the balls are staying up and moving away from Elvis a bit more.  He's also chasing pitches higher in the strike zone, balls tougher to upper cut.  More balls moving away from him, where he's just getting under the pitch results in more flyouts the other way.  He didn't pull anything deep in 2010.

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November 11, 2010 | Unregistered CommenterLynn V. Allen

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