Friday, March 29, 2013

2013 Preseason Prediction #13 – Andy Dirks

One of the big stories for the Tigers this past off-season was that the Tigers needed a right-handed outfielder to platoon with Andy Dirks in LF. Ultimately, Matt Tuiasosopo will fill that role, at least to start the season. Does Dirks even need a platoon partner?

vs LHP PA AVG OBP SLG
2011
31
0.323
0.323
0.548
2012
83
0.274
0.354
0.397
Career
114
0.288
0.345
0.442

Conclusion: probably too small of a sample size to draw any real conclusions. Sure it looks like he'd do fine against left-handed pitchers and become a full-time player, but so did Brennan Boesch . No, I don't think Dirks will end up being as bad as Boesch, but I do think there needs to be a bigger sample to say he can hit this well against left-handed pitchers.

The real reason for the platoon probably has to do with durability. Dirks has had some injuries the last two years and getting regular days off will hopefully keep him healthy for a full season.
The other issue with Dirks is that he had an inflated BABIP of .365 last year that will be hard to sustain. When that normalizes, his production will fall. Using FanGraphs' numbers (and this equation for xBABIP):

GB FB LD BABIP xBABIP
2011
34.4%
46.7%
18.9%
0.273
0.284
2012
38.2%
37.5%
24.3%
0.365
0.320

Experts' Predictions/Projections:


AB AVG OBP SLG HR RBI SB BB K
Steamer
320
0.273
0.325
0.425
9
42
4
23
54
Oliver
466
0.275
0.326
0.427
12
58
15
33
85
ZiPS
450
0.276
0.321
0.418
12
49
11
27
80
Bill James
484
0.283
0.335
0.438
14
58
10
36
76
RotoChamp
320
0.291
0.342
0.456
9
47
3
22
53
CBS Sports
410
0.290
0.336
0.459
12
47
4
28
67
ESPN
410
0.285
0.332
0.441
12
47
10
27
66
MLB.com
454
0.289
0.337
0.443
12
44
1
-
-
FanGraphs' Fans (17)
436
0.280
0.333
0.422
11
61
7
33
72
Update: 4/1

My Prediction:


AB AVG OBP SLG HR RBI SB BB K
2012 Prediction
-
-
-
-
-
-
-
-
-
2012 Actual
314
0.322
0.370
0.487
8
35
1
23
53
2013 Prediction
410
0.276
0.324
0.422
11
48
5
27
70

Fantasy Impact: Do to limited at bats and regression from an inflated BABIP, Dirks should probably be a non-factor in all fantasy leagues.

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