Archive for Busts

Overperformance Metric: Who’s Most Likely to Breakout

Breakouts and busts. If there was a set procedure for finding both, it would have been found years ago and incorporated into projections. For now, all we have is the overall chances of either happening. Over the past few weeks, I’ve been trying to put a simple value on these chances. I’ve completed the underperforming calculations and will now finish the overperforming metric. Additionally, I will compare both metrics to get an overall idea of the projection’s volatility.

In my last article, I found the breakout thresholds for plate appearances (222 PA) and wOBA (.040) and won’t change these values. Besides these two values, I determined who had both thresholds crossed and when both were partially achieved. The overperformance needed to increase near to the threshold values.

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Underperformance Metric: Who’s At Risk For Missing Expectations

A few weeks ago, I began the process of determining an underperformance metric. In the article, I laid out the groundwork determining the drop off in plate appearances (PA) and production (wOBA). With these thresholds, I created several metrics, each with its own advantages and disadvantages. I’m not setting the values into stone yet but I’m getting closer to a solution. I’ve found a few value I like better than others.

In the original article, I found fantasy owners considered a drop in 220 PA from 600 PA (37% drop) and of 0.035 wOBA from .350 wOBA (10%) to be the thresholds. I didn’t mess with these two values. Besides the pair, I wanted to know when both occurred. Additionally, from a discussion in the comments, I found when either PA or wOBA thresholds where met and when both dropped close to, but not over, the thresholds. This value (called Minor Drop) I found to provide the most overall value.

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Checking In with Top Rookies

Just before the season started, the FanGraphs staff (including RotoGraphs contributors) was asked to make its official predictions for the upcoming season. We took our best shot at predicting the playoff teams, MVP and Cy Young Award winners, and Rookies of the Year for 2017. Perhaps in the coming weeks we will check in with the top picks for MVP and Cy Young, but in this article, we’re going to look at the top rookies.

Our staff picks on the American League side had Andrew Benintendi (40 votes) as the overwhelming favorite to be named the league’s top rookie, with Jharel Cotton (4) and Mitch Haniger (4) rounding out the top three.

Over in the National League, Dansby Swanson (27 votes) was the favorite by a wide margin, followed by Robert Gsellman (12), Manuel Margot (5), and Hunter Renfroe (4).

While it’s extremely early and still much too soon to make any concrete statements about who will win this year’s awards, let’s take a look at the wide-ranging early season performances of the players we expect to be the game’s top newcomers: Read the rest of this entry »


Hit Tool Examination Pt 2: Necessary Changes

A couple of weeks ago, I examined the prospect Hit tool grade and how it provides useless information as it is currently being distributed. It’s time to dive back in. First, I am going to answer a couple questions which have come up on the topic and then get into my recommended changes.

Are there any systematic differences between Baseball America’s grades and those from MLB.com?

This study was easy. I grouped all players who had grades from both sources in the same season and I found the average differences.  The following table contain the averaged difference of the Baseball America grade minus the MLB.com grade for the 154 matched pairs.

Difference in Grades from Baseball America and MLB.com
Batting Power Speed Defense Arm
0.3 1.9 -0.9 -0.8 1.1

The final differences are small with Baseball American being higher on power while MLB.com is higher on Speed and Defense.

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Justin Mason’s Bold Predictions for 2017

It is Bold Prediction season here at Fangraphs and I am ready to improve on my 2.5 correct out of 10 from last year.

This year I decided to do mine a bit different. I have been vacation and busy preparing for my trip to New York for Tout Wars, where I will be crashing/helping out with the festivities and harassing/getting to meet fellow industry colleagues. So, I decided to focus on players and themes that I felt I have not been able to touch on as much on my podcast or here at Rotographs. Read the rest of this entry »


Fantasy Busts and Opportunities: AL East

The series continues! We’re here to discuss the following question – which current MLB starters might flop in 2017, opening an opportunity for a prospect or non-full time player? During Spring Training, we’ll go into a full dive on team depth charts, fleshing out these opportunities in more detail. This post is meant to be quick and dirty. If you missed the previous editions, you can find the NL East here, AL West here, NL Central here, and AL Central here.

I’ve constrained myself to players I believe may predictably fail. The person who asked the question used the Tigers rotation, Jimmy Rollins, Shin-Soo Choo, and Luke Gregerson as examples. He or she profited from Michael Fulmer, Tim Anderson, Ken Giles, and Nomar Mazara.

Let’s begin.

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Fantasy Busts and Opportunities: NL West

The series continues! We’re here to discuss the following question – which current MLB starters might flop in 2017, opening an opportunity for a prospect or non-full time player? During Spring Training, we’ll go into a full dive on team depth charts, fleshing out these opportunities in more detail. This post is meant to be quick and dirty. If you missed the previous editions, you can find the NL East here, AL West here, NL Central here, and AL Central here.

I’ve constrained myself to players I believe may predictably fail. The person who asked the question used the Tigers rotation, Jimmy Rollins, Shin-Soo Choo, and Luke Gregerson as examples. He or she profited from Michael Fulmer, Tim Anderson, Ken Giles, and Nomar Mazara.

Let’s begin.

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Fantasy Busts and Opportunities: AL Central

The series continues! We’re here to discuss the following question – which current MLB starters might flop in 2017, opening an opportunity for a prospect or non-full time player? During Spring Training, we’ll go into a full dive on team depth charts, fleshing out these opportunities in more detail. This post is meant to be quick and dirty. If you missed the previous editions, you can find the NL East here, AL West here, and NL Central here.

I’ve constrained myself to players I believe may predictably fail. The person who asked the question used the Tigers rotation, Jimmy Rollins, Shin-Soo Choo, and Luke Gregerson as examples. He or she profited from Michael Fulmer, Tim Anderson, Ken Giles, and Nomar Mazara.

Let’s begin.

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Fantasy Busts and Opportunities: NL Central

The series continues! We’re here to discuss the following question – which current MLB starters might flop in 2017, opening an opportunity for a prospect or non-full time player? During Spring Training, we’ll go into a full dive on team depth charts, fleshing out these opportunities in more detail. This post is meant to be quick and dirty. If you missed the previous editions, you can find the NL East here and the AL West here.

I’ve constrained myself to players I believe may predictably fail. The person who asked the question used the Tigers rotation, Jimmy Rollins, Shin-Soo Choo, and Luke Gregerson as examples. He or she profited from Michael Fulmer, Tim Anderson, Ken Giles, and Nomar Mazara.

Let’s begin.

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Fantasy Busts and Opportunities: AL West

Yesterday, I kicked off a six-part series to answer the following question – which current MLB starters might flop in 2017, opening an opportunity for a prospect or non-full time player? During Spring Training, we’ll go into a full dive on team depth charts, fleshing out these opportunities in more detail. This post is meant to be quick and dirty. You can find the NL East here.

I’ve constrained myself to players I believe may predictably fail. The person who asked the question used the Tigers rotation, Jimmy Rollins, Shin-Soo Choo, and Luke Gregerson as examples. He or she profited from Michael Fulmer, Tim Anderson, Ken Giles, and Nomar Mazara.

In the NL East post, we had a good chat about Jeurys Familia in the comments. I highlighted Addison Reed as a guy who could take Familia’s job. To be clear, they’re both top 15 relievers, it’s just that Reed happens to be better than Familia. And he doesn’t have domestic violence suspension ruining his April. If Reed has a sub-2.00 ERA and domineering stuff when Familia returns, it’s going to be awfully hard to demote him. The best use case for Familia owners is if the Mets decide to use Reed like Andrew Miller.

Returning to the matter at hand, let’s head west…

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