Monday, July 9, 2018

The Durham Bulls at the All-Star Break; Charts!

The All-Star Break for the International League is not at mid-season. That happened quite a few games ago, but 88 games into the season is not a bad time to take a look at how the team is doing. Only 52 games to left!

Overall, the Durham Bulls have been doing very well this year and at the break are 4½ games ahead of Norfolk in the South Division.

click on chart for larger view

Pitching

Twenty-six different pitchers have stepped up on the mound for the Durham Bulls this year. Ranging from infielder Brandon Snyder (1 inning) to Forrest Snow (88 innings).

As a team, they have the best ERA in the International League. In previous seasons, the comparison of starters and relievers provided some mild insights to the team. In this season, the Tampa Bay style of using "openers" and the Bulls' need to have occasional bullpen days are messing with those comparisons.



The team's WHIP (Walks and Hits per Inning Pitched) is, by a few hundredths of a point, second to the Lehigh Valley IronPigs in the IL. Pretty good.



Runs

Another way to look at team performance is to track run differentials. That is, how many runs are scored compared to runs allowed. In that race, the Bulls are also doing very well this year.



And not only this year. This chart shows run differentials for the last five years at this point in the season. Looking pretty good.



Hitters

Although I am not a big fan of the OPS stat, it does seem to be a decent measure of overall team performance. This chart shows the cumulative team OPS over the last 20 games. The Bulls rank second in the IL, just behind the Indianapolis Indians.



Twenty-three players have come to bat for the Bulls this year. Their plate appearances range from the visiting Tampa Bay rehabber Adeiny Hechavarria (4) to Justin Williams (327). This table is sorted by wOBA, weighted on-base average, and includes another newish stat called RC+, weighted runs created plus. Important to all is just how truly spectacular those numbers of Rob Refsnyder and Brandon Lowe are, but also to note the very small sample size. Neither has been with the team very long at all.



NameAgePAAVGOPSwOBAwRC+
Brandon Lowe
23
128
.330
1.084
.470
203
Rob Refsnyder
27
57
.373
1.007
.447
187
Joe McCarthy ˆ
24
143
.265
.863
.386
145
Brandon Snyder
31
252
.251
.839
.376
138
Kean Wong
23
310
.316
.843
.376
138
Ji-Man Choi †
27
86
.270
.766
.348
119
Andrew Velazquez
23
280
.262
.725
.328
105
Jason Coats
28
276
.245
.736
.327
104
Justin Williams †
22
327
.266
.711
.323
101
Jeremy Hazelbaker
30
226
.189
.647
.295
82
Nick Ciuffo
23
107
.257
.646
.291
79
Roberto Pena
26
36
.265
.600
.278
70
Michael Russell
25
106
.260
.602
.275
68
Adam Moore ˆ 
34
151
.225
.595
.271
66
Micah Johnson ˆ
27
137
.197
.572
.259
57
Source: https://www.fangraphs.com
†=on 40 Man; ˆ= on DL; Hazelbaker has been DFA'd

Defense

Lastly, here's my homebrewed measure of team defense. For much of the year, the Bulls were giving up a lot of runs as measured by unearned runs per game. Lately, they've been doing better. Let's hope that keeps up.



Nameplates!

One more kvetch about the uniforms. Names! Names! Names! I really don't like digging into my program to find out who's on first.

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