Devised originally in response to a challenge issued by sabermetric nobleman Rob Neyer, and expanded at the request of nobody, NERD scores represent an attempt to summarize in one number (and on a scale of 0-10) the likely aesthetic appeal or watchability, for the learned fan, of a player or team or game. Read more about the components of and formulae for NERD scores here.

Most Highly Rated Game
Washington at Chicago NL | 20:05 ET
Ross (22.2 IP, 105 xFIP-) vs. Hendricks (23.0 IP, 73 xFIP-)
Of the 136 starters to have recorded 20-plus innings so far this year, only five have recorded a lower average fastball velocity than Cubs right-hander Kyle Hendricks. Two of those five are knuckleballers. Another is Jered Weaver, whose fastball is so slow… How slow is it?… It’s so slow, one could author a slim collection of poorly conceived and executed jokes just like this one about it… And yet, what one finds is — despite Hendricks’ relative dearth of arm speed — is an equal and opposite amount of success. He induces grounders. He hardly walks anyone. He’s posted a league-average strikeout rate. Today, he also starts for the Cubs.

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Bryce Harper was in a slump! You might not have noticed. Right around the middle of April, it seemed people decided Harper had somehow taken another step forward. And maybe he has, I don’t know, but if he has, he hasn’t done it since the middle of April. As a matter of fact — I’m writing this late Wednesday, and when I look at the leaderboards over the past seven days, Harper is tied for dead last in WAR. I don’t recommend you make a habit of looking at WAR over seven-day periods, but Harper is Harper, and last is last. There was a real and legitimate slump. Could be there still is.

Let me make it clear right now that I’m not concerned. Not about Harper, not at present. I thought he was great at the beginning of April, I thought he was great in the middle of April, and I think he’s great now at the beginning of May. Everyone is entitled to the occasional off-week. I just do think there’s something we could learn from examining how what’s happened has happened. Bryce Harper slumped! Why?

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Ben and Sam banter about book events and answer listener emails about baseball’s Leicester City, the batting order, Rich Hill, Manny Machado and more.

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How do you identify the very best pitches? It’s actually not easy, since every pitch in someone’s repertoire has an effect on every other pitch. So let’s say this: I don’t know if Aaron Nola’s “true-talent” curveball is the best in the game. What I know is, to this point, it’s been the most effective curveball in the game. By lots! Here’s the top of the run-value leaderboard for curves in 2016:

1. Aaron Nola, +9.5 runs
2. Jerad Eickhoff, +3.6
3. Carlos Carrasco, +3.2
4. Justin Grimm, +3.1
5. Aaron Sanchez, +3.0

Nola’s value is nearly the sum of the next three values combined. How great is +9.5 runs? Only one pitch so far has a higher value, and that’s Jose Quintana’s fastball, at +10.0. Quintana has thrown almost 400 fastballs. Nola has thrown fewer than 200 curves.

We’ve written plenty about the Phillies so far. Countless people have, because the Phillies have surprised, and it’s no secret the key to that has been unbelievable pitching. This has become the core of the Phillies’ whole rebuild, and they love what they’re getting from Eickhoff. They love what they’re getting from Vincent Velasquez. But you can’t forget about Nola. Nola was always thought of as the safe, polished one, but now he’s flashing upside, such that he might be the best of them all. He might be turning into one of the best, period, and the curveball is fueling his ascent.

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Jose Berrios has a 6.75 ERA. His FIP is 5.63. He’s walked 16% of the batters he’s faced this season. He’s averaging more than 20 pitches per inning, and in two starts he has completed just 9.1 innings. He also has three good, major league-quality pitches with the potential for a fourth. He’s struck out more than 30% of the batters he’s faced. He could win Rookie of the Year, and — with arguments to come from Lucas Giolito, Tyler Glasnow, Alex Reyes, Blake Snell, and Julio Urias — he might be the most exciting pitcher to make his big-league debut this season.

Berrios doesn’t turn 22 until the end of the month, but he has ridden a quick and steady ascent to the majors. In 2014, he dominated High-A and held his own in a handful of starts at Double-A. Kiley McDaniel ranked him the 24th-best prospect in baseball during the 2014-15 preseason before he proceeded to mow down opponents in Double-A and Triple-A, striking out more than 25% of batters at both levels and walking less than 6% of them. Berrios entered Spring Training with an outside shot to win a starting job, but struggled with command in both his major-league and minor-league games.

In three minor-league starts this year, Berrios still produced his share of walks. But also struck out 20 of the 66 batters he faced and allowed just three runs, earning a promotion when Ervin Santana hit the disabled list. His first two starts have been a mixed bag, featuring both flashes of the potential that make him a top prospect with a comp to Pedro Martinez and show how he can be successful in the big leagues, but also an inability to consistently attack hitters in the strike zone, leading to unfavorable counts and walks.

The chart below shows league-average plate-discipline numbers as well as Berrios’ own numbers over his first two starts.

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Chris Sale is the best pitcher in the American League, and one of the true aces in baseball. He’s made the All-Star team four straight years, and has finished in the top six in Cy Young voting in each of those seasons as well. He may be overshadowed in Chicago by what Jake Arrieta is doing right now, but Chris Sale is still recognized as one of the game’s best pitchers.

Chris Sale has a teammate, though, who you probably wouldn’t recognize unless he walked up to you and said “Hi, I’m Jose Quintana, and I’m really good at my job.” And he should consider doing just that, because Jose Quintana is indeed really freaking good at his job.

WAR, Past Calendar Year

Name	IP	BB%	K%	GB%	HR/FB	LOB%	BABIP	ERA-	FIP-	xFIP-	WAR	RA9-WAR
Clayton Kershaw	247.1	4%	34%	50%	9%	80%	0.262	50	49	54	9.8	9.8
Jake Arrieta	240.1	6%	27%	57%	8%	83%	0.230	37	61	68	7.5	11.3
Chris Sale	230.0	5%	32%	42%	12%	76%	0.293	71	65	67	7.0	6.1
David Price	217.0	5%	27%	41%	9%	76%	0.306	74	68	74	6.2	5.9
Dallas Keuchel	232.0	6%	24%	60%	14%	75%	0.301	80	73	69	5.9	5.8
Jose Quintana	216.0	5%	22%	47%	7%	79%	0.317	68	69	83	5.9	6.7
Zack Greinke	227.2	5%	23%	47%	8%	82%	0.252	57	75	84	5.7	8.7
Max Scherzer	231.0	5%	30%	36%	12%	80%	0.272	79	79	76	5.6	5.8
Jacob deGrom	179.0	5%	28%	47%	8%	78%	0.267	61	63	72	5.5	5.5
Corey Kluber	217.0	5%	28%	42%	11%	72%	0.281	86	72	75	5.5	4.6

Over the past 365 days, Quintana is tied with Dallas Keuchel for the fifth best WAR among pitchers in baseball. If you prefer the runs-allowed version of WAR, he’s fourth. No matter how you evaluate a pitcher, Jose Quintana has been amazing for the past year, and yet, he’s still somehow rarely discussed as one of the game’s elite.

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Baseball’s brilliant chaos attracts fans of all sorts of analytical dispositions. Some people like to go with their gut, some trust their radar gun, and others prefer to dive into the spreadsheets. No matter with which group you align most closely, it’s very likely you agree with the following: pinch-hitting is super hard.

The precise difficultly is a matter of some debate, but everyone is pretty much on board with the concept. Batters perform worse coming off the bench than they do when they are already in the game. This was one of the notable findings in The Book and plenty of research has picked up on it from there.

But, uh, here’s a weird thing:

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I was talking with my father about Miguel Cabrera recently, and about how he’s undeniably one of the best hitters either of us have ever seen. One of the things we found so fascinating is that Miggy has seemingly never had to adjust. He’s got this approach, and that approach has been damn near unbeatable going on 14 years now. He’s been waiting, and waiting, and waiting some more for pitchers to exploit him, but there is no exploiting Miguel Cabrera, so he just keeps doing what he’s always been doing. Over the last decade, Cabrera’s swing rate’s always been between 46% and 51%. The contact rate’s always between 79% and 83%. The pull rate, always between 35% and 41%. Ground-ball rate, never wavering from the 39% to 42% range. There’s sure to have been little tweaks here and there, but for the most part, Miguel Cabrera’s been adjustment-free more than a decade, and he’s one of the greatest hitters of all time.

Of course, Miguel Cabrera is the exception. Seriously, the exception. Mike Trout‘s had to adjust. Bryce Harper’s had to adjust. Hell, even Clayton Kershaw spends some of his off time looking for another piece. Everyone in baseball is adjusting, constantly, which benefits their own employment status as well as mine.

You know Chris Sale as one of baseball’s very best pitchers. Over the last two-plus years, he’s got baseball’s second-best strikeout-walk differential, third-best FIP, fourth-best ERA, and fifth-best xFIP. He’s no Kershaw, but it’s very simple to make the argument that he’s the next-best guy. But Sale’s not content with the next-best guy. Just like Trout and Harper weren’t content with where they were, Sale wants Kershaw status. I’d guess that Sale, personally, has no doubts he can get there.

And so Sale’s made an adjustment. It’s always tough to tell, especially this early in the season, whether the changes we’re seeing in a player’s process are intentional or moreso a product of their environment. It becomes a lot easier to cipher out when the player comes out and lets us know it’s the former. Chris Sale, the American League’s greatest strikeout artist, made a conscious decision to become a more contact-oriented pitcher, and he’s doing it.

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Devised originally in response to a challenge issued by sabermetric nobleman Rob Neyer, and expanded at the request of nobody, NERD scores represent an attempt to summarize in one number (and on a scale of 0-10) the likely aesthetic appeal or watchability, for the learned fan, of a player or team or game. Read more about the components of and formulae for NERD scores here.

Most Highly Rated Game
Arizona at Miami | 19:10 ET
de la Rosa (23.2 IP, 79 xFIP-) vs. Fernandez (28.2 IP, 71 xFIP-)
One comment regarding this game is that the merits of Miami right-hander Jose Fernandez are conspicuous. He’s young, throws hard, and possesses a refulgent light inside him that bathes everyone around. These truths are self-evident and achingly self-evident. Another comment regarding this game is that Rubby de la Rosa has produced consecutive brilliant starts, recording a 16:3 strikeout-to-walk ratio — and conceding just a single total run — in 13.0 total innings versus Pittsburgh and then St. Louis. One difference he’s exhibited: almost completely abandoning his (well-regarded) changeup while throwing more sliders than ever.

Here’s video footage depicting three of those sliders from his most recent start:

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