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I am going to take a break from the Roto Roundup for a few days, so I will focus on midseason rankings. These rankings aren't my regular rankings. I am taking a different approach to the rankings for this version using the weighted runs created stat from FanGraphs. wRC+ is a good measure of how well a hitter has performed relative to his peers as well as the league, and is league and park adjusted.
Below is how FanGraphs defines wRC+:
Weighted Runs Created (wRC) is an improved version of Bill James' Runs Created (RC) statistic, which attempted to quantify a player's total offensive value and measure it by runs. In Runs Created, instead of looking at a player's line and listing out all the details (e.g. 23 2B, 15 HR, 55 BB, 110 K, 19 SB, 5 CS), the information is synthesized into one metric in order to say, "Player X was worth 24 runs to his team last year." While the idea was sound, James' formula has since been superseded by Tom Tango's wRC , which is based off Weighted On-Base Average (wOBA).
Similar to OPS+, Weighted Runs Created Plus (wRC+) measures how a player's wRC compares with league average after controlling for park effects. League average for position players is 100, and every point above 100 is a percentage point above league average. For example, a 125 wRC+ means a player created 25% more runs than a league average hitter would have in the same number of plate appearances. Similarly, every point below 100 is a percentage point below league average, so a 80 wRC+ means a player created 20% fewer runs than league average.
wRC+ is park and league-adjusted, allowing one to to compare players who played in different years, parks, and leagues.
More from FanGraphs on how to use the stat:
But as a general breakdown, this distribution works fine with wRC listed per 600 plate appearances. League average wRC+ will always be 100.
Ratings | wRC | wRC+ |
---|---|---|
Excellent | 105 | 160 |
Great | 90 | 140 |
Above Average | 75 | 115 |
Average | 65 | 100 |
Below Average | 60 | 80 |
Poor | 50 | 75 |
Awful | 40 | 60 |
So, let's take a look at the catchers ranked according to wRC+ through the first three months of the 2015 season:
Rank |
Name |
PA |
HR |
R |
RBI |
SB |
ISO |
AVG |
OBP |
SLG |
wOBA |
wRC+ |
WAR |
1 |
Stephen Vogt |
280 |
13 |
38 |
53 |
0 |
0.232 |
0.300 |
0.393 |
0.532 |
0.390 |
156 |
2.8 |
2 |
Buster Posey |
303 |
11 |
39 |
53 |
1 |
0.172 |
0.300 |
0.376 |
0.472 |
0.368 |
141 |
2.8 |
3 |
Yasmani Grandal |
219 |
10 |
26 |
26 |
0 |
0.200 |
0.259 |
0.370 |
0.459 |
0.365 |
137 |
1.7 |
4 |
Russell Martin |
263 |
11 |
45 |
37 |
4 |
0.224 |
0.268 |
0.354 |
0.491 |
0.365 |
133 |
2.9 |
5 |
Francisco Cervelli |
225 |
3 |
24 |
25 |
1 |
0.101 |
0.303 |
0.378 |
0.404 |
0.349 |
125 |
1.8 |
6 |
Brian McCann |
252 |
12 |
30 |
49 |
0 |
0.212 |
0.270 |
0.337 |
0.482 |
0.352 |
124 |
2.1 |
7 |
Roberto Perez |
140 |
5 |
19 |
14 |
0 |
0.205 |
0.223 |
0.350 |
0.429 |
0.340 |
121 |
1.1 |
8 |
Derek Norris |
294 |
11 |
41 |
45 |
1 |
0.199 |
0.246 |
0.293 |
0.446 |
0.320 |
108 |
1.8 |
9 |
Miguel Montero |
219 |
9 |
17 |
25 |
0 |
0.168 |
0.239 |
0.352 |
0.408 |
0.332 |
108 |
1.3 |
10 |
Nick Hundley |
213 |
6 |
27 |
26 |
2 |
0.157 |
0.298 |
0.343 |
0.455 |
0.347 |
105 |
1.3 |
11 |
Salvador Perez |
260 |
12 |
24 |
33 |
1 |
0.188 |
0.271 |
0.281 |
0.459 |
0.317 |
101 |
1.3 |
12 |
Brayan Pena |
207 |
0 |
11 |
11 |
0 |
0.044 |
0.301 |
0.371 |
0.344 |
0.321 |
101 |
0.6 |
13 |
Yadier Molina |
270 |
2 |
21 |
26 |
0 |
0.084 |
0.293 |
0.338 |
0.378 |
0.313 |
99 |
1.5 |
14 |
Robinson Chirinos |
189 |
7 |
21 |
26 |
0 |
0.213 |
0.206 |
0.306 |
0.419 |
0.318 |
97 |
0.8 |
15 |
A.J. Pierzynski |
198 |
4 |
23 |
24 |
0 |
0.137 |
0.268 |
0.308 |
0.404 |
0.310 |
96 |
0.6 |
16 |
Wilson Ramos |
240 |
7 |
22 |
34 |
0 |
0.145 |
0.264 |
0.292 |
0.410 |
0.302 |
90 |
0.8 |
17 |
James McCann |
183 |
3 |
14 |
15 |
0 |
0.136 |
0.254 |
0.294 |
0.391 |
0.299 |
88 |
0.6 |
18 |
Caleb Joseph |
189 |
5 |
22 |
21 |
0 |
0.143 |
0.232 |
0.305 |
0.375 |
0.297 |
86 |
0.4 |
19 |
Jason Castro |
205 |
7 |
22 |
17 |
0 |
0.161 |
0.215 |
0.278 |
0.376 |
0.288 |
82 |
0.9 |
20 |
J.T. Realmuto |
220 |
3 |
22 |
18 |
2 |
0.130 |
0.240 |
0.269 |
0.370 |
0.275 |
71 |
0.4 |
21 |
Tyler Flowers |
163 |
5 |
10 |
16 |
0 |
0.138 |
0.211 |
0.264 |
0.349 |
0.271 |
67 |
-0.2 |
22 |
Chris Iannetta |
170 |
3 |
13 |
15 |
0 |
0.088 |
0.184 |
0.282 |
0.272 |
0.255 |
64 |
0 |
23 |
Kurt Suzuki |
230 |
3 |
18 |
21 |
0 |
0.087 |
0.228 |
0.288 |
0.316 |
0.262 |
63 |
0 |
24 |
Kevin Plawecki |
145 |
2 |
9 |
14 |
0 |
0.083 |
0.226 |
0.276 |
0.308 |
0.255 |
62 |
0.2 |
25 |
Mike Zunino |
233 |
8 |
18 |
17 |
0 |
0.142 |
0.166 |
0.234 |
0.308 |
0.243 |
53 |
-0.1 |
Quick Thoughts
Stephen Vogt, Athletics
Who saw this kind of season from Vogt in 2015? Our own Heath Capps, that's who. He is leading all catchers with a 156 wRC+, ahead of our preseason favorites Buster Posey, Devin Mesoraco.....remember him?....among others. Mesoraco led all catchers with a 147 wRC+ last season, followed by Buster Posey, Michael McKenry and Russell Martin. According to the Rankings log above, Vogt is having a "Great" season. They need to add a category called "Shocking".
Yasmani Grandal, Dodgers
After being dealt from San Diego to Los Angeles, many writers felt that Grandal's fantasy value would improve with the move out of Petco Park and into Dodger Stadium. Well, it appears we were right, as his wRC+ has improved from 111 last season to 137 this season. He hit his 11th home run last night, and is on pace to approach 20 home runs this season.
Francisco Cervelli, Pirates
Wait. What? Cervelli ranks fifth among all catchers in wRC+? Actually, this is nothing new for Cervelli, as he put up a 128 wRC+ last season and a 143 wRC+ in 2013, he just didn't play much.
Should we use wRC+ to assist us when ranking players who are expected to get more playing time? It's just one stat to look at, in my opinion.
Yadier Molina, Cardinals
Sometimes catchers break down once they reach the age of 30-31, and that is what we are seeing from Molina thus far in 2015. According to wRC+ he is a below average catcher right now....slightly below average. His power, as measured by ISO and SLG, sit at career lows right now, so we can say that we have seen the last of double digit home runs from Molina. He did lose a bunch of weight in the offseason, so I wonder if that is part of the drop in power.
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