The Intentional Walk Rage Scale (IWRS) Leaderboard

Bob DeChiara-USA TODAY Sports

Last week Joe Posnanski created the Intentional Walk Rage Scale (IWRS). Here we put the IWRS to use and evaluate all of the intentional walks from the 2014 season.

The Intentional Walk. A decision from the manager to have his pitcher automatically put a batter on base rather than face any alternatives of the plate appearance. This strategy is used to avoid great hitters, to set up additional forceouts on the bases, or a preference for pitching to the on-deck hitter (e.g., to take advantage of platoon splits). While these strategies may sound reasonable, analysis from within the sabermetric community (i.e., The Book) has demonstrated the danger of the intentional walk. Without getting into the specifics of changes in run expectancy, the basic idea is that putting additional runners on base, and advancing runners around the bases increases the probability the opposition will score one or more runs.

Despite this, intentional walks are still ordered quite often by major league managers. Looking at the league frequencies for the last 20 years we see there have been over 1000 IBBs each season, with a peak in the early 2000s (*cough* Barry Bonds):

Ibbs_x_season_1994-2013

While it appears that there is a downward trend in the use of the IBB over the last few seasons, the strategy remains overused and can be maddening. So much so that last week Joe Posnanski created the Intentional Walk Rage Scale (IWRS). I think this system is great. Apparently, so did Ron Washington, as a mere few days after its creation he tried to ascend to the top of the IWRS leaderboard. While IWRS does not perfectly capture all the nuance of an IBB in a given situation, it provides a simple approach for identifying the really bad (or contrarily, reasonable) IBBs.

For those who have not read the original IWRS post, the IWRS involves taking an IBB and asking the following six questions and assigning the corresponding points:

  1. What inning was the walk in? 9th inning or later: 1 point. Add 1 point for every inning before the ninth.
  2. Did the walk bring up the opposing pitcher or a particularly weak hitter? Yes: 0 points. No: 3 points.
  3. Did the walk give your team the platoon advantage or force the opposing manager to go to his bench? Yes: 0 points. No: 3 points.
  4. Does the extra baserunner matter? Yes: 3 points. No: -1 point.
  5. Are you setting up the double play to get out of the inning? Yes: 0 points. No: 3 points.
  6. Are you intentionally walking someone solely to avoid a great hitter? Yes: 4 points. No: 0 Points.

The points are then summed to get the final amount of rage. The scale ranges from 0-25 with higher numbers indicative of more rage. It should be noted, as Posnanski did, that a critical feature of this scale is all of the questions can be posed before the IBB happens. This scale is not about second-guessing an IBB after observing the result. This is about first-guessing the process of issuing an IBB.

When he published the scale, Posnanski worked through an IBB ordered by Ned Yost that especially drew his ire. And then went through another example to evaluate Ron Washington's gem of a managerial decision. These examples made me curious about how other managers stack up on the IWRS. Who are the top IBB offenders? Who induces the most rage per IBB? Which were the worst IBBs? Which IBBs were excusable?

Using the Baseball-Reference play index event finder I collected all of the intentional walks for the 2014 season (through Monday's games). There have been 229 intentional walks issued this season. Managers have tended to issue the IBB when the game is tied (88) or their team is trailing (118). These points might be evidence of an underlying psychological aspect of issuing the IBB but I will leave that for now. The Pirates have issued the most IBBs (14) and the Tigers have issued the fewest (1). Despite his early season struggles Prince Fielder has been given the most free passes (10). Regardless of team, player or situation I took each of the 229 IBBs from this season and answered the six questions for the IWRS.

For clarity, here is how I answered and coded each of the questions listed above:

  1. Straightforward.
  2. Particularly weak hitters were those with an OPS+ lower than 55.
  3. The platoon advantage was determined by looking at the on-deck batter's career splits against right- and left-handed pitching.
  4. I assumed the extra baserunner mattered in all situations except for bottom of the 9th inning (or later) of a tie game with a runner already on base (i.e., the winning run).
  5. I assumed managers were setting up the double play in any situation with less than 2 outs and first base open.
  6. This is the most subjective of the questions. I assumed managers were walking someone solely to avoid that hitter if questions 2,3 and 5 were all answered no, question 4 was answered yes, and the hitter is widely recognized as great (e.g., David Ortiz, Robinson Cano, Joe Mauer). There were a couple of exceptions to this rule. However, no half measures were taken in responding to this question. The IBB received 0 points or 4 points.

Without further adieu here are some basic descriptive statistics for these IWRS data:

N Mean SD Median Min Max
229 11.57 3.87 11 0 24

And here are the IWRS data organized by manager:


Manager Team IBBs IWRS Total IWRS/IBB
1 Matt Williams WSN 4 65 16.25
2 Mike Scioscia LAA 7 107 15.29
3 Ned Yost KCR 5 74 14.80
4 John Farrell BOS 4 58 14.50
5 Lloyd McClendon SEA 8 110 13.75
6 Bud Black SDP 8 105 13.13
7 Ron Washington TEX 7 90 12.86
8 Walt Weiss COL 9 115 12.78
9 Bryan Price CIN 9 112 12.44
10 Clint Hurdle PIT 14 168 12.00
11 Mike Redmond MIA 9 106 11.78
12 John Gibbons TOR 7 82 11.71
13 Don Mattingly LAD 12 140 11.67
14 Ron Roenicke MIL 5 58 11.60
15 Terry Francona CLE 10 115 11.50
16 Bob Melvin OAK 10 114 11.40
17 Bruce Bochy SFG 9 102 11.33
18 Robin Ventura CHW 8 90 11.25
19 Rick Renteria CHC 7 77 11.00
20 Joe Girardi NYY 6 65 10.83
21 Ryne Sandberg PHI 9 95 10.56
22 Kirk Gibson ARI 10 105 10.50
23 Mike Matheny STL 9 94 10.44
24 Bo Porter HOU 8 80 10.00
25 Buck Showalter BAL 9 86 9.56
26 Terry Collins NYM 12 110 9.17
27 Joe Maddon TBR 6 55 9.17
28 Fredi Gonzalez ATL 4 36 9.00
29 Ron Gardenhire MIN 3 27 9.00
30 Brad Ausmus DET 1 8 8.00

Sorting the data by IWRS/IBB shows a few interesting things. First, our good friends Ned Yost and Ron Washington make the top 10. Second, Joe Maddon is near the bottom. And the managers of a couple of the more analytically inclined teams, like the Athletics and Indians, are issuing many IBBs (10) but they are typically not terrible.

Given these data we can begin to answer the questions posed above. The top IBB offenders (i.e., most IBB issued) are Hurdle, Mattingly, Collins, Francona, Melvin and Gibson. The most rage per IBB comes from Williams, Scioscia, Yost, Farrell and McClendon. Small sample caveats should be noted.

How about the IBBs that are the least rageworthy? Here they are:

Date Tm Opp Batter Score Inn RoB Outs IWRS
2014-04-02 STL @CIN Brayan Pena tied: 0-0 B-9 -23 1 0
2014-04-11 HOU @TEX Prince Fielder tied: 0-0 B-10 -2- 0 3
2014-04-20 BAL @BOS David Ortiz tied: 5-5 B-9 --3 1 3
2014-05-07 SEA @OAK Brandon Moss tied: 4-4 B-9 -2- 1 3
2014-05-09 CHC @ATL Justin Upton tied: 2-2 B-10 -2- 0 3
2014-05-11 PHI @NYM Juan Lagares tied: 4-4 B-11 -2- 1 3

Click on the date to be taken to the Baseball-Reference box score.

Mike Matheny is the proud manager of the only IBB this season that can be said to have caused no rage! Now, how about the most rageworthy? Here they are:

Date Tm Opp Batter Score Inn RoB Outs IWRS
2014-04-18 SEA @MIA Giancarlo Stanton down: 2-3 B-2 -2- 2 24
2014-04-01 LAA SEA Robinson Cano down: 0-1 T-3 -23 2 23
2014-04-29 SDP @SFG Pablo Sandoval down: 0-2 B-3 -23 2 23
2014-05-08 KCR @SEA Robinson Cano tied: 0-0 B-3 --3 2 23
2014-04-17 SEA @TEX Prince Fielder tied: 0-0 B-1 -2- 2 22
2014-04-24 BOS NYY Brian McCann down: 2-7 T-4 -2- 2 22
2014-05-11 TEX BOS David Ortiz tied: 0-0 T-1 --3 1 22

Click on the date to be taken to the Baseball-Reference box score.

We have yet to see the maximum rage inducing IBB this season. Lloyd McClendon was an inning late. I will try and keep this dataset up-to-date throughout the season to see if anyone can achieve such a moment.

In addition to tracking how terrible some of the IBBs are, there are many more things that could be examined with these data. For example, according to my coding 167 of the 229 IBBs this season (73%) were issued with the intent of gaining the platoon advantage (or forcing a substitution from the opposing manager). So there may be some method to the madness of these IBBs.

If you have any questions about the data or suggestions for looking into it further let me know in the comments below.

Finally, thanks to Joe Posnanski for developing this elegant scale.

. . .

All statistics courtesy of FanGraphs and Baseball-Reference.

Chris Teeter is a Featured Writer at Beyond the Box Score. You can follow him on Twitter at @c_mcgeets.

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