Wednesday, I put up a post about rating plunks by difficulty, and what batters have had the most HBPs by difficulty. The theory being that we could rank plunks by how frequently the thrower of each plunk throws plunks, and then add up the scores to see which batters have been hit the most by the pitchers who don’t hit that many batters. So, reader KL Snow was intrigued by that, but more interested in applying the same method to home runs. The only problem is, I’m not a huge fan of home runs and usually try not to write about them, but I do like to answer questions when people take the time to leave a comment and ask them. Home runs just still have a certain ‘roidiness surrounding them, aside from their being somewhat overrated as a stat in the first place, and generally taking too much focus away from HBPs. So, in a very confusing compromise, here’s a post about home runs by difficulty, badly disguised as a post about foul balls.
As we know, lots of people are good at hitting foul balls. And some batters are good at hitting home runs. But it’s a lot easier to hit home runs off some pitchers than others, and some pitchers hardly ever give up homers. So what happens if we can find a way to confuse the matter rate home runs by difficulty for those batters who have hit the most foul balls? Or look at who has hit the most foul balls among those who have hit the most difficult home runs?
There are a lot of factors that go into the difficulty of the home run, and among the top of the list are the ball park and the weather. But we’ll ignore those for now and just look at which pitchers have given up homers at the highest rate this year. If we take each homer and assign it a score based on the pitchers’ Batters Faced per Home Run Allowed, we can add those up for each batter and get their total home run difficulty. So, since Carlos Marmol has given up only 1 homer to the 324 batters he’s faced, that homer is worth 324 points to the guy who hit it (John Baker). Chris Sampson has given up 2 homers to the 248 batters he’s faces, so those homers are worth 124 points each – although both were to Alfonso Soriano so he gets 248 points for the 2 of them. Zack Greinke has given up 11 homers to 860 batters, so each of those homers is worth 78.18 points to the batters who have hit them. And, since Braden Looper has given up 37 homers in his 859 batters faced this year, his homers are only worth 21.86 difficulty points to the batters who hit them. Makes sense, right?
Here are the home run difficulty scores for the top ten foul ball hitters this season, and their HBPs, just because:
| Batter |
Foul Balls |
Home Run Difficulty |
Home Runs |
HBP |
| Brian Roberts (BAL) |
535 |
519 |
15 |
2 |
| Todd Helton (COL) |
509 |
530 |
14 |
2 |
| Carl Crawford (TB) |
509 |
502 |
14 |
8 |
| Pablo Sandoval (SF) |
505 |
871 |
22 |
4 |
| Andre Ethier (LAD) |
501 |
1055 |
31 |
13 |
| Derek Jeter (NYY) |
501 |
580 |
17 |
4 |
| Aaron Hill (TOR) |
481 |
1060 |
33 |
5 |
| Ryan Howard (PHI) |
477 |
1784 |
42 |
6 |
| Shin-Soo Choo (CLE) |
475 |
569 |
17 |
15 |
| Jayson Werth (PHI) |
472 |
1275 |
34 |
8 |
And here are the top 20 batters in home run difficulty, with their foul ball and HBP totals as a side order:
| Batter |
Home Run Difficulty |
Home Runs |
Average HR difficulty |
Foul Balls |
HBP |
| Mark Reynolds (ARI) |
1988 |
43 |
46.23 |
422 |
4 |
| Ryan Howard (PHI) |
1784 |
42 |
42.49 |
477 |
6 |
| Prince Fielder (MIL) |
1651 |
42 |
39.3 |
447 |
9 |
| Albert Pujols (STL) |
1620 |
47 |
34.47 |
390 |
9 |
| Adam Dunn (WSH) |
1448 |
38 |
38.1 |
444 |
4 |
| Adrian Gonzalez (SD) |
1432 |
39 |
36.72 |
432 |
5 |
| Carlos Pena (TB) |
1326 |
39 |
34 |
375 |
9 |
| Raul Ibanez (PHI) |
1298 |
33 |
39.32 |
332 |
4 |
| Jayson Werth (PHI) |
1275 |
34 |
37.51 |
472 |
8 |
| Chase Utley (PHI) |
1247 |
31 |
40.24 |
393 |
23 |
| Evan Longoria (TB) |
1237 |
31 |
39.89 |
399 |
8 |
| Derrek Lee (CHC) |
1226 |
35 |
35.03 |
380 |
3 |
| Ryan Zimmerman (WSH) |
1220 |
31 |
39.36 |
392 |
2 |
| Russell Branyan (SEA) |
1219 |
31 |
39.34 |
377 |
9 |
| Mark Teixeira (NYY) |
1217 |
37 |
32.88 |
388 |
11 |
| Kendry Morales (LAA) |
1213 |
31 |
39.14 |
410 |
2 |
| Dan Uggla (FLA) |
1202 |
30 |
40.06 |
406 |
|
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| Justin Morneau (MIN) |
1194 |
30 |
39.8 |
401 |
3 |
| Jason Bay (BOS) |
1166 |
36 |
32.39 |
354 |
9 |
| Paul Konerko (CWS) |
1145 |
28 |
40.89 |
350 |
10 |
As you can see, Mark Reynolds is leading the league in home run diffuculty, by a pretty wide margin (but he’s not in the top 20 in foul balls, and has only 2 HBPs). His most difficult plunk was off Joel Pineiro, who has only given up 7 homers while facing 815 batters. Reynolds is also the only batter to homer off of Cristhian Martinez, Boone Logan, and Josh Wilson, although only two of those rate as difficult, because Josh Wilson has only faced 10 batters this year. Reynolds has the highest average difficulty per homer of any batter with 15 or more homers, but he has 43. He also has struck out 208 times this season, breaking his own single season strikeout record, and he’s the only batter ever to strike out 200 times in a season, as well as the only batter to strike out 200 times in back to back seasons, so he’s got that going for him.
Among the top 20 batters in total difficulty, Prince Fielder has the highest score on a single homer. He hit the only homer this season off Blaine Boyer, and Boyer has faced 230 batters. That’s the third highest difficulty score of this season behind John Baker’s homer of Carlos Marmol (324 batters faced per homer), and Ryan Sweeney’s homer off Robinson Tejada (269 batters faced per homer).
Albert Pujols leads the majors with 47 homers, but he’s kind of feasted on cupcakes, relatively speaking. He’s tied with Jason Bay for the most home runs off pitchers who give one up more often than once every 30 batters, with 18 each. Pujols most difficult homer scored just 58.8 points, off Sean Green.
As you can see from the next list, Mark Reynolds also leads the league in home run difficulty among those with at last 400 foul balls hit:
| Batter |
Home Run Difficulty |
Home Runs |
Average HR difficulty |
Foul Balls |
HBP |
| Mark Reynolds (ARI) |
1988 |
43 |
46.23 |
422 |
4 |
| Ryan Howard (PHI) |
1784 |
42 |
42.49 |
477 |
6 |
| Prince Fielder (MIL) |
1651 |
42 |
39.3 |
447 |
9 |
| Adam Dunn (WSH) |
1448 |
38 |
38.1 |
444 |
4 |
| Adrian Gonzalez (SD) |
1432 |
39 |
36.72 |
432 |
5 |
| Jayson Werth (PHI) |
1275 |
34 |
37.51 |
472 |
8 |
| Kendry Morales (LAA) |
1213 |
31 |
39.14 |
410 |
2 |
| Dan Uggla (FLA) |
1202 |
30 |
40.06 |
406 |
7 |
| Justin Morneau (MIN) |
1194 |
30 |
39.8 |
401 |
3 |
| Michael Cuddyer (MIN) |
1138 |
29 |
39.25 |
418 |
3 |
But, Chase Utley leads the league in home run difficulty among players with at least 10 HBPs (which is really the standard all stats should be qualified by – if you haven’t been hit by ten pitches, your season just shouldn’t count):
| Batter |
Home Run Difficulty |
Home Runs |
Average HR difficulty |
Foul Balls |
HBP |
| Chase Utley (PHI) |
1247 |
31 |
40.24 |
393 |
23 |
| Mark Teixeira (NYY) |
1217 |
37 |
32.88 |
388 |
11 |
| Paul Konerko (CWS) |
1145 |
28 |
40.89 |
350 |
10 |
| Andre Ethier (LAD) |
1055 |
31 |
34.03 |
501 |
13 |
| Brandon Inge (DET) |
1047 |
27 |
38.79 |
383 |
17 |
| Ryan Braun (MIL) |
1044 |
29 |
36.02 |
416 |
12 |
| Clint Barmes (COL) |
1015 |
23 |
44.14 |
456 |
10 |
| Josh Willingham (WSH) |
884 |
23 |
38.45 |
315 |
12 |
| Kevin Youkilis (BOS) |
813 |
25 |
32.51 |
411 |
14 |
| Kevin Kouzmanoff (SD) |
662 |
17 |
38.91 |
391 |
10 |
And lastly, just because it might be interesting, here are the ten lowest average difficulty scores among players with 30 or more homers:
| Batter |
Home Run Difficulty |
Home Runs |
Average HR difficulty |
Foul Balls |
HBP |
| Miguel Cabrera (DET) |
913 |
31 |
29.45 |
451 |
5 |
| Aaron Hill (TOR) |
1060 |
33 |
32.12 |
481 |
5 |
| Jason Bay (BOS) |
1166 |
36 |
32.39 |
354 |
9 |
| Mark Teixeira (NYY) |
1217 |
37 |
32.88 |
388 |
11 |
| Carlos Pena (TB) |
1326 |
39 |
34 |
375 |
9 |
|
>Andre Ethier (LAD)
1055 |
31 |
34.03 |
501 |
13 |
| Troy Tulowitzki (COL) |
1027 |
30 |
34.23 |
415 |
2 |
| Nelson Cruz (TEX) |
1101 |
32 |
34.41 |
305 |
2 |
| Albert Pujols (STL) |
1620 |
47 |
34.47 |
390 |
9 |
| Derrek Lee (CHC) |
1226 |
35 |
35.03 |
380 |
3 |
Andre Ethier, Ryan Braun and Clint Barmes are the only players this season with at least 10 plunks, at least 400 foul balls hit, and over 1000 total home run difficulty points.
(all stats are through September 24th)