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Tuesday, December 30, 2014

Noah: Trying to Improve fWAR Part 1

fWAR, specifically for pitchers, is riddled with minor problems that together make the metric less valuable.  In Part 1 of the series, we’re going to look at a hotly debated issue regarding fWAR that has been brought up by other readers before: the fWAR park factors.

According to the FanGraphs glossary, a basic runs park factor is used when calculating fWAR.  Because FIP models ERA, using runs park factors for FIP shouldn’t be a problem.

Unfortunately, this idea simply isn’t true. ...

JE (Jason) Posted: December 30, 2014 at 01:03 PM | 43 comment(s)
  Beats: fangraphs, statistics, wins above replacement

Thursday, December 04, 2014

Is Right Handed Power Really so Rare?

I’m think this was already debunked, but Cameron has more in depth analysis showing it’s a recent uptick in % of total PA given to lefties, combined with this year’s FA crop lacking much pop from the right side, that’s led to a (probably) temporary shortage.  The more interesting thing is how bad lefties have been recently.  LOOGYS man.  As a fellow lefty that once struck out against GLIAC DIII lefty legend (and 7th round pick of the Cleveland Indians turned AA flameout) Jim Deters on 9 or 10 pitches in 3 ABs I can sympathize:

For all the hype about the lack of right-handed power in the game, it’s left-handed power that should have been put on a milk carton last summer. In the 2014 season, 38 right-handed batters hit 20 or more home runs, which was down a bit from the 40-60 range that the “Steroid Era” had made common, but still a reasonably decent number. You know how many left-handed hitters whacked 20 home runs last year? Only 15, down from 27 the year before, well below the 30-40 range established during the time when Barry Bonds reigned supreme.

And it’s not just the lack of dingers; left-handed batters were far less effective in 2014 than they have been historically.  Over the last four years offense from left-handed batters has cratered: righties were better overall hitters than left-handers last year, which is a stark reversal from historical norms. This is the winter to be a right-handed hitter on the free-agent market, because teams are flush with cash and many of them are trying to balance out lineups that have become too left-handed

madvillain Posted: December 04, 2014 at 12:14 AM | 1 comment(s)
  Beats: fangraphs, james deters, platoons, southpaws, dave cameron

 

 

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