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April 7, 2014

Baseball Therapy

Beware of the Intentional Walk?

by Russell A. Carleton


I missed baseball. It’s like being in a relationship with someone and then having to spend an extended period of time apart from them. Oh sure, you call and Skype and send each other e-mails, but when you are finally back in the same room, you get the joy of re-discovering each other. (And yeah, that’s a Journey reference.) Then there’s the next day after you’ve… ahem… gotten re-acquainted, when you realize that in addition to all of the wonderful things you missed about each other, all of the things that drive you crazy are still, there too.

In the off-season, with no games to be played, there are no announcers filling the air with amusing anecdotes and half-baked theories about the game. Which means that Ben Lindbergh doesn’t send me e-mails saying, “I just heard an announcer say that [insert assertion about baseball with no evidence given]. Is that true? Can you do #GoryMath on that? Pretty please with rainbow sprinkles?” Ben knows I’m a sucker for rainbow sprinkles.

Ben’s latest rainbow sprinkle comes to us via the New York Yankees broadcast team of Michael Kay and Ken Singleton. In the eighth inning of Saturday’s Yankees-Blue Jays game, Brett Cecil was in a tough spot. With two outs and a 1-0 Jays lead, the Yankees had Jacoby Ellsbury on third and Derek Jeter (did you know he’s retiring at the end of the year?) on second. Blue Jays manager John Gibbons chose to walk out to the mound and call for Sergio Santos to face on-deck hitter Alfonso Soriano. Kay suggested to Singleton that perhaps Gibbons could have instead ordered the left-armed throwing Cecil to intentionally walk the right-handed hitting Soriano and stay in to face the left-handed hitting Kelly Johnson. Singleton replied that that wouldn’t have been a good idea, because issuing an intentional walk and then trying to pitch normally again is hard for pitchers to do. Throwing four half-hearted balls a foot and a half off the plate gets them out of their rhythm.

Really?

Warning! Gory Mathematical Details Ahead!
I found all situations from 2009–13 where a reliever was pitching, and where he had been the pitcher for the previous batter. Using the log-odds method, I calculated the expected rates of the usual outcomes (strikeout, walk, HBP, single, 2B/3B, homerun, or out in play) for the given plate appearance, based on the seasonal stats of the pitcher and the batter (min. 250 BF or PA for each).

For all plate appearances in the data set, I coded for whether the PA immediately prior was an intentional walk. In addition, I also controlled for whether the batter and pitcher were of the same or opposite handedness (teams often use the IBB to gain a platoon advantage, as Kay was suggesting that they do by having Cecil walk Soriano to force a lefty-lefty matchup). Also, an intentional pass is commonly given to try to set up a double play when there are other runners on. The fact that those runners are out there suggests that we may be dealing with a pitcher who has thrown a lot of pitches. So, we’ll control for his pitch count as well.

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Related Content:  Pitching,  Intentional Walk

9 comments have been left for this article. (Click to hide comments)

BP Comment Quick Links

rofldude

What do you think the impact is, if any, on a pitcher who comes into a game and intentionally walks the first batter he faces? I've seen this done several times over the years.

Apr 07, 2014 05:10 AM
rating: 0
 
Dodger300

I never understood why the previous pitcher couldn't issue the intentional walk so that the reliever can start fresh.

Is there any possible logic in ordering the reliever to do it instead?

Apr 07, 2014 10:08 AM
rating: 1
 
RossBukouricz7

Say you want to IBB hitter X and hitter X+1 is left handed and has huge platoon splits, but would get pinch hit for if you bring in your LOOGY and then you are stuck on the wrong end of a lefty/right matchup since your LOOGY hasn't faced a hitter. Bring in your LOOGY to walk hitter X and when hitter X+1 is pinch hit for, you can then make your corresponding move to a right handed reliever. This is actually a story in Ball Four, but I don't remember the specific players involved and my copy is 120 miles from me at my parents house right now so I can't look them up.

Apr 07, 2014 10:18 AM
rating: 3
 
Matthew Trueblood

You nailed it. A pitcher who enters the game is trapped there for one batter. If he issues an IBB to the first guy, you have more options than if he doesn't.

Apr 07, 2014 10:25 AM
rating: 0
 
TeamPineTar

Ross and Matt nailed the only sensible situation, which would apply in arcania with deep bullpens. What one used to see was almost unbelievable. Some MLB managers still have only some clues. I remember watching a game in KC with my father (who would be 90 if alive) in the 90s, in which the manager took out one struggling RP and brought in a fresh one to issue the IBB. Dad was all over that, implying that the manager was too dumb to be managing kids, let alone pros. "You bring a guy in to throw STRIKES!" Sure enough, the new pitcher walked the batter AFTER the IBB, too, which brought in a run and opened floodgates. Dad was a lifelong player, coach, and fan. But KC's pitching and pitch COACHING in the 90s was finally so frustrating to him that he stopped watching MLB completely. That day had a lot to do with it. I don't believe he ever again went to a game, let alone pay for a ticket. He considered it irrational to pay to be "entertained" by stupidity. It was rather clear for two decades that the Royals did not emphasize throwing strikes.

Apr 09, 2014 05:27 AM
rating: 0
 
Tony B

Nice article.

Interesting that Singleton said that..haven't heard any public grousing about having to IBB from player interviews

Apr 07, 2014 11:53 AM
rating: 0
 
Pat Folz

If I'm reading correctly, you're comparing the performance of the pitcher after issuing the IBB with the performance of all pitchers league-wide in similar situations, right? Did you try comparing the pitcher's performance post-IBB with his performance pre-IBB in the same game? That might be interesting, as it would hopefully account for the pitcher's "true" talent that day (since it's likely they're issuing the IBB because something is already not going well). Sample size might be an issue but I think if you went back to 1993 like you did here there ought to be a workable number of pitcher-games...

Apr 07, 2014 14:34 PM
rating: 2
 
newsense

If throwing four balls for an IBB is a problem for a pitcher, why not have the catcher or shortstop or some other player on the field switch places and do the dirty work?

Apr 08, 2014 08:54 AM
rating: 0
 
jfranco77

Like Pat Folz, I wonder if there's something deeper at work here. Namely, the guy is already pitching like crap to get into the situation in the first place.

What if you compare the expected results for when a pitcher comes in and allows a runner to get to 2nd base and then doesn't issue an intentional walk, with situations where he does?

Apr 09, 2014 05:48 AM
rating: 0
 
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