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Friday, May 06, 2011

Run Expectancy Matrix - 2011 is 1969-1992

By Tangotiger, 04:09 PM

This is the run expectancy matrix for 1969-1992, which had 0.477 runs per inning.

1B    2B    3B    0 outs    1 outs    2 outs
__    __    __     0.477      0.252      0.094 
1B    __    __     0.853      0.504      0.216 
__    2B    __     1.102      0.678      0.325 
1B    2B    __     1.476      0.902      0.435 
__    __    3B     1.340      0.943      0.373 
1B    __    3B     1.715      1.149      0.484 
__    2B    3B     1.967      1.380      0.594 
1B    2B    3B     2.343      1.545      0.752

This is the RE matrix from BPro, for current 2011 (0.479 runs per inning):

1B    2B    3B    0 outs    1 outs    2 outs
__    __    __     0.479      0.261      0.094 
1B    __    __     0.853      0.519      0.215 
__    2B    __     1.057      0.671      0.311 
1B    2B    __     1.431      0.929      0.432 
__    __    3B     1.311      0.928      0.344 
1B    __    3B     1.686      1.186      0.465 
__    2B    3B     1.889      1.338      0.561 
1B    2B    3B     2.264      1.596      0.683

The numbers in the two charts are quite similar, with a few gaps.  Since my chart is based on games played from 1969-1992, and BPro’s chart is based on the five weeks of 2011, we can see why my chart would be expected to be more stable.

I’m not surprised that there is such strong agreement, since the run expectancy matrix is run-environment driven.  It’s not like they’d both agree that you start at 0.48 runs per inning, but then be wildly off in some other base/out state.

In any case, I’ve been pleading for baseball to return to the baseball of my youth, and that’s what we are getting.  Get ready for the return of small ball!  Speedsters, split screens of pitchers/runners, tons of useless pickoffs (that part should be addressed if small ball is the reality), jack rabbits in the outfield.  And hopefully the end of highlights that are just run-of-the-mill home runs.


#1          (see all posts) 2011/05/06 (Fri) @ 16:28

I don’t mind—in fact I welcome—the homer a game for each team on average, but until MLB does something about all the damn strikeouts, it ain’t gonna be the same. Let them put the ball in play and get singles and triples and scurry a bit.

On the bright side, since league stolen base percentages are so much higher nowadays, not only could we get the extra running, but it might not be as stupid as it was at times.


#2          (see all posts) 2011/05/06 (Fri) @ 16:44

I wouldn’t expect to see strikeouts come down unless HR also came down.  Players and teams are willing to trade strikeouts for the payoff of the big fly.  I did a quick rundown the leaderboard of strikeout rate last year for hitters and Austin Jackson and Franklin Gutierrez were the only ones below the league average ISO out of the top 35.


#3          (see all posts) 2011/05/08 (Sun) @ 05:08

Bill James had an article awhile back when I was still a BJOL subscriber about strikeouts. His thesis was that strikeout rate has been increasing pretty much every year and that it will continue to increase because a) pitchers’ performance increases when their strikeout rate rises and b) batters’ performance at worse stays the same and at best increases when their strikeout rate rises.


#4          (see all posts) 2011/05/11 (Wed) @ 02:22

No surprise that as run environment approaches the 1969-1992 years so is attendance.

However, with slower playing surfaces, smaller parks, and more k’s, we will see fewer triples and hits in general than in 1969-1992. Yawn.

So we might even be headed to the 1963-1968 years but with a few more SB.  Snoring.

To each his own.


#5    NaOH      (see all posts) 2011/05/11 (Wed) @ 03:08

No surprise that as run environment approaches the 1969-1992 years so is attendance.

Maybe that’s a joke and I missed it. Attendance is nowhere near 1969-1992 levels.

1969: 1,119,009 per team
1980: 1,654,390 per team
1992: 2,148,934 per team
2001: 2,419,370 per team
2011: 2,233,737 (current per-team pace)

Overall attendance will be down this year, but it will go up from where it is now. And I know people (Holy Writers) commonly bemoan the impending death of baseball, but I think folks fail to realize just how much attendance speaks to how popular the sport has become.

Since 1920, baseball has had about 2.9 billion total attendance. We’ve seen 43% of that total since Selig became commissioner in ‘93. No, it’s not simply expansion. The 1920-1992 period represents 1422 franchise seasons. 1993 onward has had 560 franchise seasons, and that’s counting 30 for this year which is only about a quarter complete.


#6    Tangotiger      (see all posts) 2011/05/11 (Wed) @ 09:45

I’m not sure what attendance in 1980 has to do with attendance in 2000, and trying to correlate anything to runs scored like that.

There’s been a huge shift, not the least of which may be exposure via TV.  And maybe the economy too.  You’d have to look at attendance in other sports as well, in addition to other entertainment venues (including concerts, movies, etc).  In addition, you’d have to look at ticket prices for all these different kinds of events.

In short: the world has changed, and baseball changes with it.


#7    Greg Rybarczyk      (see all posts) 2011/05/11 (Wed) @ 10:32

Tango,

You know I respect you, and your work.  Immensely.  But I have to point out that you’re comparing April 2011 numbers to 1969-1992 full-season numbers.  Many a MSM writer has done something similar, and absorbed a thorough, methodical rhetorical beat-down, here and elsewhere on the web.

Now, perhaps when you just look at April of all those years, the comparison holds, but that’s still the way we ought to look at it. 

This is comparing apple blossoms to apples…


#8    Tangotiger      (see all posts) 2011/05/11 (Wed) @ 10:40

I think I pointed out in another thread that the weather would be one thing that could affect run scoring.

Perhaps I should have said “April 2011 is ...”, without implying that we are necessarily in the midst of a shift.


#9    Greg Rybarczyk      (see all posts) 2011/05/11 (Wed) @ 10:43

Another factor for April run scoring is the abundance of scheduled off-days and rainouts, which will naturally lead to a larger proportion of games being pitched by top-of-the-rotation starters.  Later in the year when the scheduled off days drop, and some even get eaten up by makeup games, and when doubleheaders bleed in, you have weaker starting pitching than in April, which would bump runs up…


#10    Tangotiger      (see all posts) 2011/05/11 (Wed) @ 13:04

Poz does the April to April comps:

http://joeposnanski.blogspot.com/2011/05/why-i-think-steroids-are-out-of.html

From 1994-2010, hitters in April hit .264—so that’s down 15 points.

Their on-base percentage was .345—so that’s down 26 points.

Their slugging percentage was .421—so that’s down almost 40 points.

But it’s more than just the averages. There has not been a single year since 1994 when batters hit this sparsely. The lowest batting average since 1994 was last year’s .256, so that’s down. The lowest on-base percentage was a .330 in 2007, so that’s way down too. And in no season since 1994 have hitters slugged less than .400 in April.

So even just comparing April to April, early season to early season, the numbers are quite stark. That’s if you go back to 1994. But, as you probably already know, if you go back to the decade or so BEFORE 1994, well, suddenly the numbers look perfectly in line.

To remind you, this year’s core numbers: .249/.319/.382
From 1981-1993: .252/.322/.378

Yep, that’s just about the same.


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